Cold recycler and stabilizer WR Series

The new generatio generation n

Cold Recycler and Soil Stabilizer WR series WR 200 | WR 200 i | WR 240 | WR 240 i | WR 250

Contents

Added value that pays dividends

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Three machines – world class to the power of three Broad range of applications

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Designed with human-machine interaction in mind Perfect ergonomic design and handling

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Automated function for the the working process

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Perfect visibility and comprehensive camera system

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Compelling features designed for an entirely new performance class Outstanding all-terrain mobility

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Efficient engine and diagnostic systems

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High tech for top quality: it’s the mix that counts High milling and mixing performance

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Precise metering system for binding agents

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Added value value that pays pays dividends dividends

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Highlights

Use your smartphone to get more information.

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ERGONOMICS

Performance-enhancing, ergonomic design of the spacious operator’s cabin 2 VISIBILITY

Perfect all-round visibility 3

OPERATION

In full control with the multifunctional joystick 4

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CAMERA SYSTEM

Full monitoring of all work processes 5

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MAINTENANCE

State-of-the-art diagnostic systems and extra long maintenance intervals

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LIGHTING

Intelligent lighting concept 7

STEERING

Steering system with small turning radius greatly improves operator comfort 8

OFF-ROAD MOBILITY

All-wheel drive, drive, independent independent suspension with high lift, fast 4-fold full-floating axle

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ENGINE STATION

High-torque diesel engine with automatic speed adjustment

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ROTOR HOUSING

Various rotor speeds Various speeds and adjustable crusher bar

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ROTOR DRIVE

Effective direct drive via power belt 12 AUTOMA AUTOMATED TED FUNCTION

Time-saving, automatic lowering and Time-saving, raising of the milling and mixing rotor to start or stop the milling process

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Three machines Three machines – world class to the power of three Consistently superior machine design n i o i t 0 p 0 o 2 t R c W a / p 0 m 0 o 2 c R e h W T

The WR 200 / WR 200 i machine is easy to transport without special approval or permit due to its compact dimensions and low weight. It is well-suited to both soil stabilization and cold recycling.

i r 0 e 4 d 2 n R u o W r - / l l 0 a 4 e 2 h R T W

The WR 240 / WR 240 i is the proverbial all-rounder in the

r e m r o 0 f r 5 e 2 p R p o W t e h T

The WR 250 is the high-performance option suitable for

Wirtgen fleet. As a result of its large working width and depth and unrivalled milling and mixing performance, this machine provides maximum flexibility for any type of soil stabilization or cold recycling job.

exceedingly complex tasks. Its enormous milling and mixing output makes this machine the perfect choice for even the toughest soil stabilization jobs and the pulverization of tough asphalt layers. Taken together, together, the range of benefits offered by the WR 250 sets the industry standard for the biggest conceivable challenges in soil stabilization and cold recycling.

Solutions tailored to each application

Working width:

2,000 mm

Working depth:

0 – 500 mm

WR 200 maximum engine power:

315 31 5 kW / 428 PS

WR 200 i maximum engine power:

320 kW / 435 PS

CE operating weight:

23,900 kg

Cutting power:

1.6 kW / cm

Ideal performance range 1,000 – 5,000 m2 /day

in soil stabilization: Ideal performance range

400 – 800 m2 /hour

in cold recycling: Thickness Thickn ess of recyclable asphalt layer:

Working width:

2,400 mm

Working depth:

0 – 510 mm

WR 240 maximum engine power:

455 kW / 619 PS

WR 240 i maximum engine power:

447 kW / 608 PS

CE operating weight:

29,400 kg

Cutting power:

1.9 kW / cm

Ideal performance range 4,000 – 8,000 m2 /day

in soil stabilization: Ideal performance range

500 – 1,000 m2 /hour

in cold recycling: Thickness of recyclable asphalt layer:

Working width:

2,400 mm

Working depth:

0 – 560 mm

Maximum engine power: CE operating weight:

571 kW / 777 PS 31,000 kg

10 –15 cm

Cutting power:

15 –20 cm

2.4 kW / cm

Ideal performance range in soil stabilization:

6,000 – 12,000 m2 /day

Ideal performance range in cold recycling: Thickness of recyclable asphalt layer:

700 – 1,200 m2 /hour 20 –25 cm

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Broad range of applications Perfect soil stabilizer

Second-to-none performance and mixing quality The finely graded Wirtgen WR series includes a

material. In addition, its perfect ergonomic design and

tailored solution for any soil stabilization and cold

maximum visibility, visibility, high engine power and mixing quality,

recycling job. As a result, these machines are ideally suited

superior all-terrain mobility, automated features and many

to the powerful, large-scale stabilization stabilization of ground with

other highlights make the WR a pioneer in terms of output

insufficient bearing capacity. The stabilization process

at low operating costs − regardless of the type of soil

converts poor-quality soil into a premium construction

stabilization job.

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Soil stabilization


Top performance Top whatever the job

Ideal performance ranges in soil stabilization

WR 200 / WR 200i

WR 240 / WR 240 i

WR 20 200 / WR 20 200 i Complete performance range Ideal performance range

WR 250

WR 24 240 / WR 24 240 i

500 – 8,000 8,000 m2 / day 1,000 – 10,000 10,000 m2 / day 1,000 –5,000 m2 / day

The WR ensures perfect mixing quality while producing the hydraulically bound base layer

4,000 – 8,000 m2 / day

WR 25 250 2,000 – 15,000 15,000 m2 / day 6,000 – 12,000 12,000 m2 / day

The WR series includes all performance classes in soil stabilization

Ensuring unrivalled unrivalled mixing quality quality,, the WR WR meets ex-

Its striking benefits include include the all-wheel drive, drive, fourfour-

ceedingly demanding requirements requirements in a wide variety of

fold full-floating axle and automatic power control

soil stabilization jobs.

system providing the perfect prerequisites for any job on difficult terrain or wet ground.

The WR series covers the entire range of applications as a result of varying engine powers tailored to the

The water metering system system is easy to operate operate – its

specific job needs.

process parameters can be effortlessly adjusted to any requirements.

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Broad range of applications The WR operating operating as as a soil stabilizer stabilizer

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Pre-spread binding agent

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Milling and mixing rotor

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Stabilized, homogeneous mix of soil and binding agent

Stabilizing soils of poor bearing capacity on a large scale Soil exchange continues to be specified very often

The resulting homogeneous soil-binder mix offers high

even though it no longer represents the state of the

levels of tensile strength, compressive strength and shear

art. Working as a soil stabilizer stabilizer,, the WR uses its powerful

strength as well as lasting water resistance, frost resist-

milling and mixing rotor to mix pre-spread binders, such as

ance and volume stability. Typical applications include

lime or cement, into existing soil of poor bearing capacity

the construction of paths, roads, motorways, parking

to a working depth of up to 560 mm, converting it into a

lots, sports grounds, industrial parks or facilities, airports,

premium construction material right on the spot.

dams, backfills or landfills.

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Binding agent spreader

3 Single-drum Si ngle-drum compactor

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WR soil stabilizer

4 Grader 5 Single-drum Si ngle-drum compactor

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The powerful milling and mixing rotor mixes the

The fast-paced, fast-paced, environmentally friendly in-situ

existing soil – with pre-spread cement and water, water, if

process dispenses with expensive soil exchange.

required – to produce a homogeneous mix. Soil stabilization stabilization is clearly clearly superior to soil exchange exchange as The WR effortlessly pushes a water tanker truck which

it requires fewer truck transports, shortens job comple-

delivers water via a hose connection.

tion times, reduces resource consumption and lowers carbon emissions.

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Broad range of applications Various V arious solutions solutions for for high-quality high-quality soil soil stabilization stabilization

Homogenization

WR

Single-drum compactor

Soil stabilization with lime


WR

Soil stabilization with cement


Water tanker truck

WR

To homogenize existing soil, the powerful milling and mixing rotor of the WR granulates and loosens the material without the addition of binding agents. A grader is used to finish grade the previously stabilized, homogeneous soil mix, and compaction is effected by various Hamm rollers.

Grader


To stabilize existing soil, binder is pre-spread in a first step by the all-wheel drive Streumaster SW 19 SC “Rhino”. Following right behind the binding agent spreader, the powerful milling and mixing rotor of the WR mixes the existing soil with the pre-spread binding agent to produce a homogeneous mix. A grader is used to finish grade the previously stabilized soil mix, and compaction is effected by various Hamm rollers.


Grader


To produce a new hydraulically bound base layer, a Streumaster towed spreader pre-spreads cement, followed by a water tanker. The powerful milling and mixing rotor of the WR mixes the existing material with the pre-spread cement to produce a homogeneous mix. At the same time, water is injected into the mixing chamber via an injection bar. A grader is used to finish grade the previously stabilized base layer, and compaction is then effected by various Hamm rollers.


Grader

Tandem roller rol ler

Pneumatic-tyred roller

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Broad range of applications Top-perfor T op-performing ming cold recycle recyclerr

Perfect mixing quality and utmost metering accuracy Machines of the WR series are not only state-of-

bitumen emulsion and foamed bitumen. Perfect job out-

the-art soil stabilizers. They are “full liners” offering

comes are ensured by highly accurate metering, a consist-

equally compelling cold recycling features. When operated

ently superior mixing quality, the clearly structured, easy

in cold recycling mode, the WR machines convert asphalt

operation of the machine and its precise levelling. There’s

layers in need of rehabilitation to high-quality base layers

no doubt at all: the WR is the ultimate option for perfect

− regardless of the site area and working depth. Additives

road repair and maintenance.

and binders used for this purpose include cement, water,

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Cold recycling


State-of-the-art road rehabilitation

Performance ranges in cold recycling

WR 200 / WR 200i

WR 240 / WR 240i

The WR meets the challenges of cold recycling quickly and efficiently

WR 250

WR 20 200 / WR 20 200 i

WR 24 240 / WR 24 240 i

WR 25 250

Ideal performance range

up to 840 m2 /hour

up to 1,000 m 2 /hou /hourr

up to 1,200 m2 /hou /hourr

Thickness of recyclable asphalt layer

10 – 15 cm

15 – 20 cm

20 – 25 cm

The WR series caters to the complete range of cold recycling applications

From thin asphalt layers layers on uncrowded uncrowded rural roads to

The cold recycling process is made exceedingly

up to 250 mm thick asphalt layers on busy motorways

efficient by the intuitive input of injection system

exposed to high loads and stresses – the various

parameters and a second-to-none visualization of

machines of the WR series are perfectly suited to any

binder metering.

of these recycling jobs, catering to all performance ranges.

State-of-the-art microprocessors microprocessors enable the highly accurate metering of added quantities, ensuring top-quality cold recycling results.

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Broad range of applications The WR operating operating as as a cold recycler recycler

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Milling and mixing rotor

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Injected foamed foamed bitumen bitumen

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Injected cement slurry slurry

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Recycled, homogeneo homogeneous us construction material

High construction output at low cost Steadily increasing volumes of truck traffic cause

The cold recycler mills and granulates worn-out asphalt

structural damage to the different layers of asphalt

pavements, injects binding agents and water in precisely

roads over time, while at the same time reducing their

metered quantities and mixes them with the pavement ma-

bearing capacity. capacity. In recycling mode, the WR eliminates

terial to be recycled, all in a single machine pass. The new

these deficiencies quickly, economically and in a resource-

base layers produced by means of this in-situ process are

saving manner. manner. It is equipped with a powerful milling

distinctive for their exceptionally high bearing capacity capacity..

and mixing rotor and state-of-the-art injection systems.

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Bitumen tanker truck truck

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WM 1000 slurry mixer (only (only in combination with with WR 240 / WR 240 i, WR 250)

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Cold recycler WR 240 / WR 240 i, WR 250

4 Single-drum Si ngle-drum compactor 5 Grader 6

Tandem roller

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Tanker trucks driving driving ahead of the the WR and linked linked to

Foamed bitumen for the production of exception-

the cold recycler via hose connections supply water

ally stable base layers is produced in the cold recycler recycler..

and various binding agents. The WR recycles pavements “in situ”, meaning that no Water,, cement slurry, bitumen emulsion or foamed Water

damaged material needs to be disposed of nor virgin

bitumen are injected into the mixing chamber via

material supplied.

microprocessor-contr microproce ssor-controlled olled injection bars.

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Broad range of applications High-quality cold recycling with cement

Pulverization

WR


Recycling with pre-spread cement


Water tanker truck

WR

Recycling with cement slurry

WM 1000 slurry mixer

WR 240 / WR 240i, WR 250


With its powerful milling and mixing rotor, the WR pulverizes damaged asphalt layers and part of the subgrade without the addition of binding agents. A grader is used to finish grade the pulverized, homogeneous granulated material, and compaction is effected by various Hamm rollers.

Grader


To produce a hydraulically bound base layer, a Streumaster binder spreader pre-spreads a layer of cement, followed by a water tanker truck. The powerful milling and mixing rotor of the WR granulates the damaged pavement layers, simultaneously mixing in the pre-spread cement and injected water. A grader is used to finish grade the previously recycled, homogeneous construction material, and compaction is effected by various Hamm rollers.


Grader

Tandem roller


To produce a hydraulically h ydraulically bound base layer, la yer, a Wirtgen WM 1000 100 0 slurry mixer mixe r travels ahead ah ead of the t he WR 240 / WR 240 i, WR 250, 250 , supplying the recycler with cement slurry. The powerful milling and mixing rotor granulates the damaged pavement layers, simultaneously mixing in the cement slurry injected via an injection bar. A grader is used to finish grade the previously recycled, homogeneous construction material, and compaction is effected by various Hamm rollers.


Grader

Tandem roller


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Broad range of applications High-quality cold recycling with bitumen emulsion

Recycling with pre-spread cement and bitumen emulsion


Water tanker truck

Emulsion tanker truck

Recycling with cement slurry and bitumen emulsion

Emulsion tanker truck


WR 240 / WR 240i, WR 250

Small quantities of cement are pre-spread by a Streumaster binding agent spreader, which is followed by a water and an emulsion tanker truck. The powerful milling and mixing rotor of the WR granulates the damaged pavement layers, simultaneously mixing in the pre-spread cement as well as the water and bitumen emulsion injected into the mixing chamber via two separate, microprocessorcontrolled injection bars. A grader is used to finish grade the previously recycled, homogeneous construction material, and compaction is effected by various Hamm rollers.

WR


Grader

Tandem roller

Pneumatictyred roller

An emulsion emulsion tanker travels travels ahead, followed followed by a Wirtgen Wirtgen WM 1000 slurry slurry mixer mixer. The emulsion emulsion tanker and the slurry mixer mixer supply the WR 240 / WR 240 i, WR 250 with the t he binding agents ag ents required for process ing the pavement pavemen t in need of rehabilitation reha bilitation.. The powerful powerfu l milling and mixing rotor of o f the WR 240 / WR 240 i, WR 250 granulates granu lates the damaged da maged pavement layers, lay ers, simultaneously simultane ously mixing in the cement slurry and bitumen emulsion injected into the mixing chamber via two separate, microprocessor-controlled injection bars. A grader is used to finish grade the previously recycled, homogeneous construction material, and compaction is effected by various Hamm rollers.


Grader

Tandem roller


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Broad range of applications High-quality cold recycling with foamed bitumen

Recycling with pre-spread cement and foamed bitumen


Water tanker truck

Bitumen tanker truck

WR

Recycling with cement slurry and foamed bitumen

Bitumen tanker truck


WR 240 / WR 240i, WR 250

Small quantities of cement are pre-spread by a Streumaster binding agent spreader, which is followed by a water and a bitumen tanker truck. The powerful milling and mixing rotor of the WR granulates the pavement layers in need of rehabili rehabilitation, tation, simultaneously mixing in the pre-spread cement as well as the water and foamed bitumen injected via two separate, microprocessor-controlled injection bars. Foamed bitumen is produced in so-called expansion chambers by means of injecting small amounts of water and compressed air into hot bitumen. The hot bitumen then foams abruptly, expanding to many times its original volume, and is evenly distributed in the mineral aggregate mix to be recycled. A grader is used to finish grade the previously recycled, homogeneous construction material, and compaction is effected by various Hamm rollers.



Grader

Tandem roller

Pneumatictyred roller

A bitumen bitumen tanker tanker travels ahead, ahead, followed by a Wirtgen Wirtgen WM 1000 1000 slurry slurry mixer. mixer. The bitumen bitumen tanker tanker truck truck and slurry mixer supply the WR 240 / WR 240 i, WR 250 with the binding bi nding agents required requi red for processing the pavement in need of rehabilitation. rehabilit ation. The recycler’s powerful milling and mixing rotor granulates the damaged pavement layers, simultaneously mixing in the cement slurry and foamed bitumen injected via two separate, microprocessor-controlled injection bars. A grader is used to finish grade the previously recycled, homogeneous construction material, and compaction is effected by various Hamm rollers.



Grader

Tandem roller rol ler


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Designed with human-machine interaction in mind

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Perfect ergonomic design and handling A new dimension dimension in ergonomic design

The individually adjustable, comfortable seat ensures a perfect posture of the operator

The multifunctional joystick in the right-hand arm console fits right into the palm of the operator’s hand Driver’s seat swivels through 90 degrees – no unnecessary movements when checking the zero side

The colour screen mounted at the steering column is positioned in the operator’s immediate field of view

Ergonomic design boosts operator performance The anatomically shaped driver’s seat with spring

have been grouped together logically in the multifunctional

and air cushioning is the ergonomic showpiece of the

joystick on the right-hand arm console, providing unri-

WR series. It can be fully adjusted to different body sizes,

valled ease of use. The entire driver’s seat including arm

guaranteeing a perfect seating position for many hours. In

consoles and steering column can be swivelled through 90

addition, ergonomically designed controls are integrated in

degrees to either side, giving the operator a full view to-

both arm consoles – they are arranged within easy reach

wards the rear of the machine while maintaining a relaxed

to enable intuitive operation. All basic machine functions

body posture.

Space and operator comfort – two prerequisites for success

Operator comfort is a key efficiency driver, which is

CD player, player, a compressed air connection and air gun for

why we have paid special attention to the workplace

easy cabin cleaning, backlit controls and numerous stor-

of the machine operator. The soundproof, spacious WR

age options, to name but a f ew. They facilitate work for the

cabin provides ample room to move, a comfortable interior

operator,, thus increasing not only operator comfort and operator

and pleasant indoor temperatures. Its range of equipment

performance but also the machine’s productivity on a daily

includes a comfortable driver’s seat, a powerful climate

basis.

control and heating system, a standard cooler, cooler, a radio with

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Perfect ergonomic design and handling Perfect visibility – whatever the time of day or night

Maximum performance even during night operations Construction projects are nowadays carried out

two curve lights at the rear and two spotlights for flexible

under tremendous pressure of time with no regard for

mounting by means of magnetic bases to fully illuminate

adverse weather, weather, darkness or night. This is where the intel-

all important work areas around the machine. Operation of

ligent lighting system of the WR comes into play. It com-

the machine can thus continue at full power even after the

prises six headlights at the front of the cabin, optionally in

sun has set – and the WR is utilized to full capacity capacity..

LED design, two spotlights each on the left and right side,

The WR makes makes work easier easier – every day A high-pressure cleaner is part of the on-board equipment

Complete work faster

Easy access to the spacious operator’s cabin is ensured

The WR is approved for transport on all standard flatbed trucks

“Welcome” and “Go home” lights feature: when arriving

Safety first: side side railings are are folded up in a few simple simple

at or walking away from the WR, the machine’ machine’s s environ-

steps when working on the engine or cooler cooler..

ment can be illuminated by LED lights. The cabin conforms to the ROPS/FOPS ROPS/FOPS standards, standards, The WR 200 / WR 200 i machine is easy to transport

providing maximum operator safety safety..

without special approval or permit due to its compact dimensions and low weight.

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Automated function Automated function for the working process Automated Automat ed processes processes boost boost performance performance and quality quality Working without any time loss

The operator uses the joystick to initiate the automatic automatic lowering and raising process

In a first step, the machine is lowered rapidly

The milling and mixing rotor moves into the preselected position

Performance boost at the push of a button The WR is equipped with an intelligent automatic

is lowered rapidly, and the front and rear rotor plates move

system to control lowering and raising of the mill-

into their preselected positions. Once the lifting columns

ing and mixing rotor rotor.. It relieves the operator of part of

have reached their working position, the milling and mixing

his workload, increases daily performance and improves

rotor is lowered into the soil until the programmed working

quality. The operator uses the multifunctional joystick to

depth has been reached. Moving the joystick forward then

activate the automatic process; all other steps are com-

enables forward movement of the machine.

pleted automatically by the WR. In a first step, the machine

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Automated function


At the end of the stabilized track, the front rotor plate is pressed down and the recycler reverses

During reversing, the rotor is raised out of the soil

The cut developing developing in the area area of the rotor at the the end

While the WR travels a few metres, the corresponding

of each track is closed by activating the automatic

rotor plate closes the cut completely completely.. At the same time,

raising mechanism using the joystick.

the rotor is slowly raised from the cut, and the lifting columns move the machine into transport position.

Depending upon upon whether the rotor is raised in forward or reverse travel, the rotor plates move into their specified positions.

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Perfect visibility and comprehensive camera system Enhanced visibility increases productivity

With the cabin moved far to the right, the operator can turn his seat to enjoy an unobstructed view of the working edge on the right-hand side of the machine

Working flush to kerb is enabled by the right-hand wheels arranged within the working width of the machine

Working flush to kerb poses no problem at all Good visibility is of vital importance to ensure safe

the machine on the right, and the driver’ driver’s s seat swivelling

operation and allow fast-paced processes. The

through 90 degrees offer a free view of the entire working

WR offers a visibility concept that is unique in the indus-

edge on the right-hand side so that working flush to kerb

try: large glass panes at the front, left and right side of the

without the need for extensive reworking is no problem

cabin, and a set of mirrors in line with field requirements

at all. In short: optimal visibility for the machine opera-

allow a full view of the entire construction site. The spa-

tor enhances productivity and maximizes profits on every

cious cabin, which can be moved beyond the edge of

construction site.

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Visibility


Large glass panes and numerous mirrors offer excellent visibility

The cabin is moved far to the right hydraulically,, for example, to look hydraulically past a recycling train travelling ahead of the machine

An excellent excellent view of the working edge on the right side

The intelligently intelligently arranged arranged windscreen windscreen wipers wipers and

of the machine enables precise recycling along the

anti-fog feature of the air-cond air-conditioning itioning system improve

kerbs of road pavements.

visibility even further, if required.

In addition, a good view of the right-hand working

The side window on the right can optionally be locked

edge enables highly precise overlaps in soil stabilizing

in various functional positions.

operations.

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Perfect visibility and comprehensive camera system Many eyes are better than two

Second-to-none camera system Camera systems are developing into increasingly

additional eyes he needs to view important but otherwise

important support tools when it comes to monitoring

inaccessible work situations. A reversing camera is part of

the operational processes and procedures of machines

the WR basic on-board equipment package. It can option-

where good visibility is a must. The camera solutions avail-

ally be upgraded to a full equipment package consisting of

able for the Wirtgen WR give the machine operator the

four cameras installed at various points of the machine.

The camera installed at the rear provides images of what is going on behind the machine

Reversing camera is a standard feature

The control screen displays the rear camera image as soon as the reverse gear is engaged

The image is displayed on the control screen – with automatic reverse assist

A rear camera with automatic reverse reverse assist is part of

The high-resolution high-resolution colour images images are displayed on the

the basic equipment package, ensuring a full view of

control screen in an exceptionally high quality.

what is happening behind the WR. The intelligent reverse assist system supports the The multifunctional multifunctional control screen mounted at the

machine operator during reverse travel by fading in

steering column switches to camera mode automati-

driving assistance lines.

cally during reverse travel.

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Perfect visibility and comprehensive camera system Continuous monitoring with comprehensive camera system

Overview of cameras:

1

Camera on the left machine side

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3

4

2

Camera at the rear of machine

Permitting an unobstructed view of critical areas Upon the customer’ customer’s s request, a system compris-

to be displayed is effected conveniently using the joystick.

ing four high-resolution colour cameras can be

Continuous monitoring of important operating processes

installed at various points of the machine – at the rear of

and areas, such as driving up to obstacles or assessing

the machine, on the left side of the machine and under-

work results, offers various benefits: in the final analysis, it

neath the machine at the front and rear rotor plates. If

results in a significant increase in performance, economic

several cameras are used, an additional screen is installed

efficiency and quality.

to display the camera image. Selecting the camera image

Even better visibility and operator comfort 1

3

Camera at the front rotor plate

Switching between cameras is effected manually via the joystick

4

Camera at the rear rotor plate Four cameras offer perfect visibility and maximum operator comfort

The camera on the left side of the machine machine is used, for

The camera installed at the rear rotor plate shows

example, to drive up to any lateral obstacles quickly

when obstacles in the recycled track have been

and with maximum precision.

negotiated; it also helps assess the quality of the recycled material.

The camera installed at the front rotor rotor plate shows obstacles or pre-spread binding agent; it enables precise

The wide angular coverage of all four cameras offers

overlapping with the working edge and a precise start

maximum fields of view; the screen always displays

of the stabilizing or recycling operation.

true-sided camera images.

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Compelling features designed for an entirely new performance class

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Outstanding all-terrain mobility An easy job job on heavy heavy ground ground

All-wheel drive guarantees guarantees ideal traction properties properties Traction is the magic word when it comes to stabiliz-

the sophisticated weight distribution across the machine

ing on deep, muddy ground, and of that the WR has

frame. The machine’ machine’s s advance speed is load-dependent

enough and to spare. Extra large, deep-tread tyres very

and governed by an automatic power control system that

effectively transport the engine’s high drive power into the

dispenses with the need to engage or disengage the dif-

soil. The powerful all-wheel drive ensures constant maxi-

ferential lock. In short: the WR is the ideal candidate for

mum traction of each of the f our separately hydrostatically

mixing in binding agents on difficult ground.

driven wheels. In addition, uniform traction is ensured by

Even deep, wet ground poses no problem thanks to the all-wheel drive

Getting stuck? Nearly impossible.

The all-wheel drive system evenly distributes the drive power to all four wheels

When deep, deep, muddy ground requires requires ample ample ground

The advance speed is continuously adjustable from

clearance, the four-fold full-floating axle always en-

zero to maximum speed both during operation and in

sures the automatic adjustment of the machine height.

transport mode.

The switchable switchable hydraulic hydraulic flow divider guarantees guarantees con-

When parked, the machine is automatically automatically secured secured by

sistently high traction regardless of ground conditions.

the parking brake.

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Outstanding all-terrain mobility Stable driving performance and ample ground clearance in off-road operation

The machine’s lifting column design with a lift of up to 500 mm enables a large levelling stroke and high ground clearance

The WR effortlessly compensates for any ground irregularities

Maximum machine stability on bumpy ground The WR travels effortlessly even on extremely bumpy

column design can be relied on to quickly and dynamically

ground while always retaining its horizontal align-

compensate for any major ground irregularities. As a result,

ment. Important aids to ensure high machine stability and

the milling and mixing rotor always maintains the specified

balance are the automatic four-fold full-floating axle and

depth both on the left and right side, thus ensuring precise

electronic slope sensor. sensor. The slope sensor enables the

work results. The operator benefits, too – high driving con-

WR to work parallel to the surface or at the specified cross

venience promotes relaxed working.

slope. The tried-and-tested, four-fold full-floating lifting

i

Off-road mobility


Longitudinal and cross slope are adjusted conveniently via the left-hand joystick

The machine retains its horizontal alignment

The slope sensor is used to set and maintain the specified cross slope

“Roll” feature: the machine balances out horizontally at a mere flick of the wrist

The sophisticated sophisticated lifting lifting column design enables enables high

When driving crosswise on sloping terrain, the op-

ground clearance and thus optimum driving perfor-

erator can adjust the machine to a more convenient

mance even on very soft, deep ground.

horizontal position by means of the “Roll” feature.

The wheels are height-adjustable in pairs – left, right,

The excellent gradeability of the WR is a major

front or rear – for full adjustment to conditions prevail-

advantage when creating embankments or operating

ing on the construction site.

on sites with steep slopes.

42 / / 43

Steering system buililtt to bu to fiel eld d requ require ireme ment nts s Field-proven manoeuvrability and superior ease of operation

Electronic steering system with three differ different ent steering modes The WR has everything it takes to ensure easy and

changed conveniently via the multifunctional joystick. The

smooth steering because it features an electro-

highly precise steering system and free choice of steering

hydraulic “steer-by-wire” “steer-by-wire” steering system. The operator

mode increase operator comfort, enabling the operator to

can choose from three different steering modes: straight-

work more productively and to fully focus on ensuring that

ahead, crab or cornering mode. The currently selected

his work meets highest quality standards.

steering mode is displayed clearly at all times and can be

Minimum turning radius in cornering mode with oversteering oversteering:: Rmin = 3,150 mm

R

Rmin

Minimum turning radius in cornering mode: mode: R = 4,500 mm

Each of the three steering modes modes – straight-ahead, straight-ahead,

The innovative oversteering feature of the steering

crab and cornering – is the fastest way to achieve the

wheel enables the rear wheels to be moved even fur-

goal in the specified field of application.

ther,, allowing the WR to perform an exceptionally small ther turning radius of 3,150 mm. This is significantly smaller

In cornering mode, the WR is capable of performing a

than the minimum turning radius of standard passen-

minimum turning radius of only 4,500 mm.

ger cars.

44 / / 45

Steering system buililtt to bu to fiel eld d requ require ireme ment nts s Fast manoeuvring in tight spaces saves time and money

Working direction

Straight-ahead mode

Straight-ahead mode: mode: the front wheels are steered via the steering wheel. The rear wheels remain in straight-ahead position automatically but can be steered separately via the joystick. Crab steering mode

Working direction

Crab steering mode: all four wheels are steered in the same direction and at the same angle via the steering wheel.

Cornering mode with oversteering feature In soil stabilization projects, a significant amount of

are steered synchronously via the steering wheel, allowing

time is spent on countless turning and reposition-

small turning circles already. In addition, the operator can

ing manoeuvres each day. The WR performs exceptionally

oversteer the rear axle. The effect: the extra large steering

small turning circles, however, which saves time at the

angle of the rear wheels enables even smaller turning cir-

end of each cut and increases productivity. productivity. How does the

cles, which is especially useful for time-saving turning and

WR do that? In cornering mode, the front and rear wheels

repositioning manoeuvres in restricted space conditions.

i

Steering


Working direction

Cornering mode: the front and rear wheels are steered synchronously via the steering wheel, which allows for small turning radii.

Working direction

Cornering mode

Cornering mode with oversteering

Cornering mode with oversteering: oversteering: once a certain steering angle has been reached, the rear wheels can be steered even further via the steering wheel. Oversteering allows for even smaller turning circles.

In straight-ahead straight-ahead mode, the rear rear wheels remain in

In crab steering mode, all four wheels wheels are steered

straight-ahead position independent of the steered

in the same direction and at the same angle via the

front wheels.

steering wheel.

The straight-ahead straight-ahead mode mode is usually selected selected during during

Crab steering steering allows the the WR to be driven up to the the

the working operation.

working edge quickly, under an angle and with minimum space requirements.

46 / / 47

Efficient engine and diagnostic systems Superior engine technology

For tough jobs and economical operations The state-of-the-art, high-torque diesel engine

extreme engine lugging. The engine output can be in-

installed in the WR is the ideal candidate for powerpower-

creased further thanks to ample torque reserve. Automatic

sapping stabilizing and recycling operations. But it also

adjustment of the engine speed reduces fuel consumption.

uses its “brains”, for the intelligent, fully electronic engine

Needless to say that the engine technology installed in the

management optimizes engine performance: The torque

WR complies with the currently applicable exhaust emis-

remains at a consistently high level even in the case of

sion standards.

Complying with all current exhaust emission standards

M [Nm] 3.500

3.000

e u q r o T

2.500

2.000

1.500

1.000 800

900 1.000 1.100 1.200 1.300 1.400 1.500 1.600 1.700 1.800 1.900 2.000 2.100 2.200 [1/min]

P (kW) 600

500 t u p t u o e n i g n E

400

300

The sound-insulated engine cowling can be opened effortlessly

200

100 800

900 1.000 1.100 1.200 1.300 1.400 1.500 1.600 1.700 1.800 1.900 2.000 2.100 2.200 [1/min]

WR 200

WR 240

WR 2 00 i

WR 240 i

WR 250

Engine speed in operation = 1,650-2,100 1,650-2,100 min -1

Ideal characteristics of all WR series engines: with increased loading, the speed decreases and the torque increases while the output remains nearly constant

The tried-and-tested tried-and-tested engine technology technology installed in

The WR 240i features advanced advanced engine technology

the WR 200 and WR 240 complies with the emission

that complies with the demanding specifications of EC

standards of EC Stage 3a / US Tier 3.

Stage 3b / US Tier 4i.

The WR 200 i features state-of-the-art engine technol-

The tried-and-tested, tried-and-tested, robust engine technology

ogy for lowest environmental emission levels which

installed in the WR 250 complies with the emission

comply with the stringent specifications of EC Stage 4 /

standards of US Tier 2.

US Tier 4f exhaust emission standards.

48 / / 49

Efficient engine and diagnostic systems Fast on-board diagnostics

High-tech diagnostic systems increase productivit productivityy State-of-the-art measuring technology is by far

trol elements. Numerous, clearly visualized display pages

superior to conventional, manual measuring meth-

provide quick and accurate information on the operating

ods. We have equipped the WR with high-tech diagnostic

state of the machine. In addition, maintenance require-

systems which enable effortless maintenance diagnostics,

ments are minimized by extended servicing intervals and

parameter settings or troubleshooting via the control panel

an intelligent maintenance concept. In short: maximum

in the operator’ operator’s s cabin. The machine’s auto-diagnostic

operational readiness of the WR is ensured.

system independently monitors valves, sensors and con-

Maximum machine availability

The oil level can be checked quickly and easily from the ground Diagnostics and parameter settings are performed via the control screen

When opened, the engine cowling offers ready access to the engine compartment, hydraulic system, air filter and pumps

Optimally adjusted service service intervals increase produc-

Wide opening service panels panels and engine cowling offer

tivity and economic efficiency.

ample space to the operator for carrying out maintenance procedures.

The few points of maintenance are arranged in a clear pattern and offer easy access from the ground or via

Convenient, lockable storage storage compartments compartments are are part part

access ladders.

of the standard equipment package, offering ample space for the comprehensive toolkit, cutting tool containers, spare parts and wearing parts.

50 / / 51

High tech for top quality: it’s the mix that counts

52 / / 53

High milling and mixing performance Heart and soul – the mature milling and mixing rotor

Comparison of working width and working depth

WR 200 / WR 200 i

WR 240 / WR 240i

Comparison of engine power and cutting power

WR 200 / WR 200 i

WR 250

WR 200 / WR 200i

WR 240 / WR 240i

WR 250

Working width

2,000 mm

2,400 mm

2,400 mm

Working depth

0 – 500 mm mm

0 – 510 mm mm

0 – 560 mm mm

Maximum power Cutting power

WR 240 / WR 240i

WR 250

WR 200 / WR 200 i

WR 240 / WR 240 i

WR 250

315 kW 320 kW

455 kW 447 kW

571 kW

1.6 kW kW / cm

1.9 kW kW / cm 2. 2.4 4 kW/ cm

Fully geared for tough operations Milling technology is our core business, which is

operation, which reduces stress and strain on the drive

why the milling and mixing rotor installed in the WR

elements. Regardless of the working depth, perfectly ar-

also appears as if it were cast from a single mould. Engine

ranged toolholders on high bases guarantee homogeneous

and cutting power of the individual machines are optimally

mixing of the construction materials. In addition, the hard-

adjusted to each other. The specific working width/depth

wearing quick-change toolholder system ensures optimum

combination enables an efficient machine performance.

cutting tool rotation, easy tool replacement and continuous

The massive rotor design promotes smooth, shock-free

operation for extended periods of time.

Easy cutting tool replacement using the hydraulic tool extractor

Simple tool replacement guaranteed

Wirtgen milling and mixing rotors produce high-quality mixes

The hydraulic drum turning device device moves the rotor

The toolholders mounted on the rotor have high bases

into the ideal position with no effort to facilitate tool

to provide sufficient space for the construction mate-

replacement replaceme nt for the machine operator operator..

rial mix, thus ensuring good mixing quality quality..

Removable edge edge ring segments segments open at the sides

The toolholder bases are also particularly sturdy and

reduce tension at the rotor edges, thus ensuring low

robust, making the rotor the perfect choice for tough

wear and tear of the rotor and rotor housing.

jobs.

54 / / 55

High milling and mixing performance Rotors Roto rs customiz cust omized ed to the th e specifi speci fic machines mach ines

Milling and mixing m ixing rotor for WR 200 / WR 200 i, WR 240 / WR 240i

Tool arrangement precisely adjusted to the machine output of WR 200 / WR 200 i, WR 240 / WR 240 i

Hard-wearing quickchange toolholder system

Tool arrangement with a spacing of TS = 20 mm

High, heavy-duty holder bases

Low-weight rotor design

Interchangeable Interchangeab le edge ring segments open at the sides

TS 20 rotor for for WR 200 / WR 200i, WR 240 / WR 240i Whether soil stabilization or cold recycling operations

ents are thus fully aligned with the output of these machi-

are required – just a single milling and mixing rotor is

nes, providing the perfect solution for all soil stabilization

needed to complete all jobs to be performed by the spe-

and cold recycling applications. Depending on the specific

cific type of machine. For instance, the rotor used fo r the

job site requirements, requirements, toolholders in shank shank diameters of

WR 200 / WR 200 i and WR 240 / WR 240 i comprises cut-

22 or 25 mm can be used.

ting tools arranged at a 20 mm spacing. The tool compon-

Milling and mixing rotor for WR 250

Hard-wearing quick-change toolholder system

Tool arrangement precisely adjusted to the machine output of the WR 250

High, heavy-duty holder bases

Tool arrangement with a spacing of TS = 30x2 mm

Large number of tools to ensure high mixing quality at high advance rates

Rotor specially designed for tough cold recycling jobs such as pulverization pulverization

Interchangeable edge ring segments open at the sides

TS 30x2 rotor for WR 250 The WR 250 rotor features a tool spacing spacing of 30x2 mm:

Combining the high engine power with a particularly

for each rotation, two cutting tools are positioned at a

sturdy rotor ensures a perfectly fine mix even at high

distance of 30 mm to each other.

advance rates of the machine.

The rotor is equipped with with a large large number of tools tools to

Depending on the specific job site requiremen requirements, ts,

fully respond to the machine’ machine’s s high power and ad-

toolholders in shank diameters of 22 or 25 mm can be

vance rate.

used.

56 / / 57

High milling and mixing performance Efficient milling rotor drive

Taking T aking the shortest path to to success Translating engine power into productivity: the direct

ensuring high efficiency. Positive side effects of the intel-

mechanical rotor drive of the WR translates high en-

ligent drive concept are low fuel consumption and ease of

gine power into an equally high milling and mixing output.

maintenance. In addition, many different rotor speeds can

Large wrap-around angles with the belt pulleys enable the

be selected as needed to meet the full range of standard

heavy-duty power belt to transmit the engine power to the

work requirements.

rotor gearbox with only minimal performance losses, thus

The efficient drive is easy to access and maintain

The shortest path is the best

Direct mechanical drive via power belt with automatic belt tensioner

Even during during toughest operations, the high-torque, high-torque,

The power belt absorbs absorbs peak loads loads and ensures a long

fuel-efficient engine provides a sufficient amount of

service life.

reserve capacity. At the correctly correctly set rotor speed, speed, the WR achieves Maximum efficiency efficiency and high daily performance rates rates

the intended mixing results at the highest possible

are enabled by an almost complete power transmis-

advance rate whilst keeping fuel consumption to a

sion.

minimum.

58 / / 59

High milling and mixing performance Always ensuring ensuring the the optimum optimum rotor rotor speed d e e p s e n i g n E

Ø 400 mm

Ø 315 mm

Ø 315 mm

Ø 355 mm

Ø 400 mm

Ø 355 mm

Ø 355 mm

Ø 400 mm

Ø 315 mm

i 0 0 2 R W / 0 0 2 R W

108 min-1

137 min-1

154 min-1

117 min-1

149 min-1

168 min-1

127 min-1

161 min-1

181 min-1

i 0 4 2 R W / 0 4 2 R W

108 min-1

137 min-1

154 min-1

120 min-1

153 min-1

172 min-1

133 min-1

169 min-1

190 min-1

WR 200 / WR 200 i, WR 240 / WR 240 i settings Each type of soil requires requires specific specific values in terms of

Repositioning of the the belt pulleys enables enables three different

advance rate and rotor speed to ensure optimum mix-

transmission ratios.

ing quality. As a result, the WR WR 200 / WR 200 i and WR 240 / The operator can comfortably select three different en-

WR 240 i machines provide a total of nine different

gine speeds using a button integrated in the right-hand

rotor speeds.

arm console inside the cabin.

d e e p s e n i g n E

o i t a r r a e G

I

WR 250 – twelve different speeds Ø 355 mm

II

0 5 2 R W

I

II

Ø 400 mm mm

Ø 400 mm mm

Ø 355 mm

87 min-1

111 min-1

97 min-1

124 min-1

108 min-1

137 min-1

129 min-1

164 min-1 Selecting the engine speed and shifting the rotor gear from the cabin …

145 min-1

184 min-1

160 min-1

203 min-1

… can be combined with repositioning of the belt pulleys to set twelve different rotor speeds

WR 250 settings Three different different engine speeds can be selected via the

The operator can reposition the belt pulleys to set two

right-hand arm console in the cabin.

different transmission ratios.

The right-hand arm console also serves to actuate the

As a result, the WR 250 provides a total of twelve

two-speed rotor gear.

different rotor speeds.

60 / / 61

High milling and mixing performance Premium-class mixing quality – whatever the working depth

The front rotor plate opens wide and is equipped with a crusher bar …

… which can be adjusted to produce the specified particle size

The pivoting scraper at the rear rotor plate always maintains an optimal angle to the surface …

… to ensure perfectly even levelling of the ground

Outstanding mixing results The mixing chamber of the WR has been designed in

quantity automatically by raising or lowering the rotor.

line with field requirem requirements ents and is of vital importance

These features guarantee a perfectly homogeneous mixing

for the high quality of the recycled subgrade. Very impor-

result of the milled material and binding agents added. In

tant: the design of the rotor housing and rotor plates has

addition, optimal transport of the mix inside the rotor hous-

been perfectly matched to the powerful milling and mixing

ing results in a tremendous increase in throughput and

rotor.. At the same time, the volume of the mixing chamrotor

productivity.

ber is adjusted to the current working depth and material

Optimum mixing chamber size guaranteed

Small mixing chamber at shallow working depths

The hydraulically adjustable crusher bar mounted on the front rotor plate pulverizes even large asphalt slabs

Large mixing chamber at large working depths Optimum mixing chamber size regardless of the working depth

The rotor plates plates at the front and rear rear provide effective

As soon as as the milling milling and mixing rotor has been fully

closure of the mixing chamber chamber,, function as material

raised automatically, automatically, the rotor plates move into their

guides and are used to level off and smooth o ut the

preselected positions to protect the rotor from damage

stabilized or recycled layer.

by flying stones.

The variable mixing chamber increases with the working

In cold recycling applications, the front rotor plate

depth, thus ensuring maximum performance and good

is used as a crusher bar which can be adjusted to

mixing results even at the maximum working depth.

produce the specified particle size.

62 / / 63

Precise metering system for binding agents Microprocessor-controlled addition of binding agents

Giving operators the full picture Simply keying in the specified parameters once is not

via the control screen. The menus are structured clearly

enough to achieve high-quality mixing results. They

and logically, enabling the individual pages to be called

need to be maintained at their preselected values for the

up quickly. Large, readily comprehensible displays keep

entire duration of the stabilizing or recycling operation.

the operator fully informed of current parameters during

The WR has all it takes to meet these requirements:

the operation and, if need be, he can adjust the relevant

parameters are entered quickly and conveniently via a

parameters quickly and easily easily..

small number of controls in the left-hand arm console and

Quick entry of parameters

The printer logs job data and input parameters All at a glance: important parameters are continuously displayed in the bottom menu bar of the metering menu

Parameters such as spraying width and spraying quantities are set intuitively

Microprocessor-controlled Microprocessor -controlled flow meters gover n the ad-

The up to sixteen sixteen spray nozzles nozzles in an injection injection bar can

dition of water, emulsion or foamed bitumen.

be switched on or off separately at any time during the process to adjust the spraying width.

The binding agents are added in accordance with the preselected parameters, such as working

A printer installed installed in the cabin keeps a written log of

width, working depth, material density and machine

job data or any parameter parameter changes during the the working

advance rate.

operation.

64 / / 65

Precise metering system for binding agents Injecting water Precise metering is paramount

1

Hose connection connection for water water

2

Injection bar for water

3

Injected water

Working direction

2 3

1

All hose connections have have been grouped together at the front cross beam

Governed by a microprocessor, microprocessor, the injection bar introduces the specified amount of water into the mixing chamber

Microprocessor Micropr ocessor-controlled -controlled metering and injection Strictly maintaining the preselected metered quanti-

tives, which include water, emulsion or foamed bitumen.

ties of the binding agents to be added is of para-

Several injection bars can be installed, depending upon

mount importance in high-quality stabilizing and recy-

the application, and several additives can be injected

cling operations. The WR is fully equipped to meet these

simultaneously.. In addition, a special quick-mounting simultaneously

requirements: requireme nts: robust, microprocessor microprocessor-controlled -controlled injection

system enables quick installation or removal of the injec-

systems ensure meticulous control of the various addi-

tion bars.

Injecting water and bitumen emulsion Bitumen emulsion – a tried-and-tested binding agent

1

Hose connection connection for water

2

Injection bar bar for water

3

Injected water

4

Hose connection connection for emulsion

5

Injection bar for emulsion emulsion

6

Injected emulsion Working direction

4 5 2 6 3

1

Readily accessible connections for water and emulsion

When injecting two additives, such as water and emulsion, two injection bars can be operated simultaneously

Tanker trucks driving driving ahead of the the recycler deliver

Bitumen emulsion emulsion increases increases the flexibility of the new

water and emulsion to the injection bars via hose

base layer and reduces cracking.

connections. The optimum moisture content is achieved by adding The microprocessor-controlled microprocessor-controlled injection bars for water

water to the process.

and emulsion are of identical design and can be used for both media depending on job requirements.

66 / / 67

Precise metering system for binding agents Injecting water and foamed bitumen

1

Hose connection connection for water water

2

Injection bar bar for water

3

Injected water

4

Hose connection connection for hot bitumen bitumen

5

Injection bar for foamed bitumen bitumen

6

Expansion chambers chambers for foaming

7

Injected foamed foamed bitumen bitumen Working direction

Hot bitumen is foamed by injecting metered quantities of compressed air and water

6 4

5 A test nozzle offers easy access for continuous assessment of the foam quality during the recycling operation

2

7 3

1

Foamed bitumen b itumen – innovative in novative and a nd economically econo mically effi cient To construct base layers of exceptionally high quality,

this state, the foamed bitumen is distributed very evenly in

the WR produces foamed bitumen in up to sixteen

the mineral aggregate mix to be recycled. All components

separate expansion chambers by injecting small amounts

carrying hot bitumen are heated and kept at operating

of water and compressed air into bitumen that has been

temperature – which dispenses with the need to flush the

heated to approx. 180° C. The hot bitumen then foams

system. On balance, foamed bitumen is a very cost-effi-

abruptly,, expanding to many times its original volume. In abruptly

cient binding agent.

Self-cleaning comes as a standard feature Individual tappets clean the up to 16 nozzles at pre-determined intervals

Ensuring a high level of operational safety

Self-cleaning feature: the tappets remove any build-ups of binder at the nozzle exit

Movable tappets tappets automatically automatically remove remove any build-ups

Cleaning of the nozzles is not only carried out auto-

of binder in the area of the nozzle exit.

matically at fixed time intervals but can also be conveniently activated manually via the screen whenever

Regular self-cleaning self-cleaning of the spray nozzles via the tap-

necessary.

pets ensures precise metering across the entire working width.

Simultaneous manual raising of the revolving revolving rotor to maximum height enables material deposits in the area of the nozzle exit to be removed.

68 / / 69

Wirtgen GmbH Reinhard-Wirtgen-Str.. 2 · 53578 Windhagen · Germany Reinhard-Wirtgen-Str Phone: +49 (0) 26 45 / 131-0 · Fax: +49 (0) 26 45 / 131-242 Internet: www.wirtgen.com · E-Mail: [email protected]

Illustrations and texts are non-binding and may include customized fittings. Subject to technical changes. Performance data depend on operational conditions. No. 2231808 83-10 EN-04/13 © by Wirtgen GmbH 2013. Printed in Germany

Cold recycler and stabilizer WR Series

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