Technical Description Hydraulic Excavator

Technical Descript Description ion Hydraulic Excavator

R 994 litronic`

Operating weight with backhoe attachment 229 t/504,900 lb Operating weight with shovel attachment 226,4 t/499,150 lb Engine output 937 kW (1273 HP) Bucket capacity 4,5 to 20,0 m3/5.9 to 26.2 cuyd Shovel capacity 10,5 to 18,0 m3/13.7 to 23.5 cuyd

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Engine Cummins diesel engine Rating per DIN/ISO 30463046-1 1 ______________ 937 kW (1273 HP) at 2100 RPM reduced to 840 kW (1142 HP) at 1800 RPM Model ____________________________ KTTA38 KTTA38-C -C 1350 Type ______________________________ 12 cylinder V-engine, water-cooled, direct injection, turbo-charged, aftercooled Displacement __________________ 37,8 l/2307 cu.in Bore/Stroke ____________________ 159/159 mm/6.26/6.26 in Air cleaner __________________________ dry-type air cleaner with automatical dust ejector, primary and safety elements Fuel tank ____________________________ 3900 l/1030 gal Electrical system Voltage __________________________ 24 V Batteries ________________________ 2 x 170 Ah/12 V Alternator ______________________ 24 V/100 Amp Engine idling ______________________ sensor controlled Air system __________________________ 1 cylinder compressor, maintenancefree, pressure regulator, anti-freeze pump

Hydraulic System Hydraulic pumps for attachment and travel drive ____________________ 3 variable flow axial piston pumps Max. flow ______________________ 2 x 757 l/min + 1 x 505 l/min/ 2 x 200 gpm + 1 x 133 gpm Max. hydraulic pressur pressure e __ 320 bar/4640 PSI Hydraulic pump for swing drive ________________ 1 reversible swash plate pump, closed-loop circuit Max. flow ________________________ 450 l/min/119 gpm Max. hydraulic pressur pressure e __ 400 bar/5800 PSI Pump regulation __________________ electro-hydrauli electro-hydraulic, c, pressure compensation, flow compensation, automatic oil flow optimizer Hydraulic tank pressurization ______________________ 0,5 bar/7.3 PSI Hydraulic tank capacity ________ 1800 l/476 gal Hydraulic system capacity ____ 2400 l/634 gal Hydraulic oil filter ________________ 1 full flow filter in return line, 1 high pressure filter for each main pump Hydraulic oil cooler ______________ separate vertically mounted cooler, thermostatically regulated fan Electronic engine speed sensing ______________________ at rated engine speed setting Lubrication __________________________ central lubrication system

Hydraulic Controls Servo circuit

________________________ independant,

electric over hydraulic proportional controls of each function Emergency control __________ via accumulator for attachment func tions with stopped engine Power distribution ________________ via monoblock control valves with integrated primary and flanged-on secondary relief valves Flow summation ____________ to attachment, hoist, stick and bucket cylinders and travel drive Control functions Attachment and swing ____ – proportional via joystick levers Travel ____________________________ – proportional via foot pedals or hand levers for all travel functions

Swing Drive Hydraulic motor __________________ 2 Liebherr axial piston motors Gear ____________________________________ 2 Liebherr planetary reduction gears Swing ring __________________________ Liebherr, sealed triple roller swing ring, internal teeth Swing speed ________________________ 0–3,7 RPM Swing torque ________________________ 677 kNm Swing-Holding brake ____________ hydraulically released multi-disc brakes, maintenance-free

Uppercarriage Design

________________________________ torque

resistant designed upper frame in box type construction for superior strength and durability Attachment mounting __________ parallel length girders Catwalks ______________________________ on the left side of the upper

Operator’s Cab Design

________________________________ resiliently

mounted, sound insulated, large windows for 360 h visibility, integrated falling object protection (FOPS) Operator’s seat ____________________ suspended, body-contoured with shock absorber, adjustable to opera tor’s weight, additional training seat is standard equipment Controls ______________________________ joystick levers integrated into armrest of seat Monitoring __________________________ via LED Display Acoustical and optical signal ________________________ in case of low engine oil pressure or low coolant level. Automatic engine shut of Optical signal ______________________ in case of engine overheating or low hydraulic oil level. Destroking of main pumps Heating system/ air conditioning ____________________ heavy duty, high output air condi tioner and heater unit

Undercarriage Design

________________________________ 3-piece

undercarriage, box type structures for center piece and side frames, stress relieved Hydraulic motor __________________ axial piston motor Travel gear __________________________ Liebherr planetary reduction gear Travel speed ________________________ 0 – 2,6 km/h km/h/0– /0– 1.6 mph mph Drawbar pull ________________________ 1480 kN Parking brake ______________________ hydraulically actuated wet multi-disc brakes, maintenance-free Hydraulic brake valve __________ mounted separately in the undercarriage Track components ________________ B 11, maintenance-free Track rollers/ carrier rollers ______________________ 10/2 Track pads __________________________ forged double grouser Track chain adjustment ________ hydraulic Transport ____________________________ undercarriage side frames are removable

Attachment Design

________________________________ box-type,

welded structures with large cast steel components Pivots __________________________________ sealed Pivots bucket-to-stick Pivots bucket-to-link Pivots bucket-to-link ____________ O-ring sealed and completely enclosed Lubrication __________________________ connected to the centralized lubrica tion system Hydraulic cylinder ________________ Liebherr manufactured cylinders, sealed bearings, hydraulic piston cushioning Hydraulic connections pipes and hoses equipped with SAE





A2

X

F

E

A1

D

A

W C

H1 H K

P Q

L

N

U

S Z

B

V

G

mm/ft-in 5400/17’ 9” 5800/19’ 0” 6360/20’10” 7100/23’ 4” 5540/18’ 2” 5740/18’10” 2 78 0 / 9’ 1” 4480/14’ 8” 5690/18’ 8” 2120/ 6’11” 6280/20’ 7”

A A1 A2 C D E F H H1 K L

mm/ft-in 2100/ 6’11” 82 0/ 2 ’ 8 ” 4900/16’ 1” 8070/26’ 6” 9580/31’ 5” 80 0/ 2 ’ 7 ” 6120/20’ 1” 6440/21’ 2” 11200/36’ 9” 7700/25’ 3” 17200/56’ 5”

P Q S U Z N B G V W X

A2

X1 F

E

A1

D

A

W

C

H1 H K

P Q

L

N

U

S Z

B

V1

A A1 A2 C D E F H H1 K

G

mm/ft-in 5400/17’ 9” 5800/19’ 0” 6360/20’10” 7100/23’ 4” 5540/18’ 2” 5740/18’10” 2 78 0 / 9’ 1” 4480/14’ 8” 5690/18’ 8” 2120/ 6’11”

P Q S U Z N B G W1 V1

mm 2100/ 6’11” 82 0/ 2 ’ 8 ” 4900/16’ 1” 8070/26’ 6” 9575/31’ 5” 80 0/ 2 ’ 7 ” 6120/20’ 1” 6440/21’ 2” 6000/19’ 8” 10000/32’10”





Digging envelop envelope e ft

Max . Max . Max . Max .

m

reach at ground level teeth height dump height digging depth

15,50 15,60 10,30 8,70

Max . digging force Max . breakout force

16 50

m/50’10” m/51’ 2” 2” m/33’10” m/28’ 7” 7”

780 kN (79,5 t/175,300 lb) 859 kN (95,6 t/210,750 lb)

14 40

12 10

30 8 20

6 4

10 2 0

0 -2

-10 -4 -20

-6 -8

-30

-10

Operating Weight and Ground Pressure 16 50

14

12 40

10 30

8

6 20

4

2 10

0m 0 ft

The operation weight includes the basic machine with backhoe attachment and bucket 13,00 m 3/17.0 cuyd. Pad width Weight Ground pressure

mm/in kg/lb kg/cm2/ PS PS I

800/31 229000/504,900 2,07/29.44

Buckets Cutting width Capacity SAE heaped Weight Suitable for material up to a specific weight of 1) 2) 3) 4)

mm/in m3/cuyd kg/lb t/m3/lb/cuyd

2900/1141) 3150/1242) 3200/1262) 3500/1383) 4200/1654) 11,00/14.4 13,00/17.0 14,00/18.3 15,00/19.6 20,00/26.2 13400/29,540 1 4000/30,860 1 4500/31,970 1 4200/31,310 1 4300/31,530 2,00/3,400

1,80/3,000

1,65/2,800

Heavy duty rock bucket with teeth size V 81 (SD) and Delta cutting edge Bucket with teeth size V 81 (SD) Bucket for material weighing not more than 1400 kg/m3/2,400 lb/cuyd, with teeth size 71 (SD) Coal bucket, with teeth size 76 (FP)

1,50/2,500

1,20/2,000





Digging envelope 1 2 ft

Stick 4, Sti 4,00 00 m/ m/13 13’1 ’1” ” Stiick 5, St 5,60 60 m/ m/18 18’4 ’4” ”

m

60

Stick Max. Ma x. Max . Max . Max .

18 16

50 14 40

12

length reach rea ch at at gro groun und d lev level teeth height dump height digging de di depth

Max . digging force Max . breakout force

10

m/ft-in m/ft m/ ft-i -in n m/ft-in m/ft-in m/ft-in

4,00/13’ 1” 17,7 17 ,70/ 0/58 58’’ 1” 17,00/55’ 9” 11,60/38’ 1” 10,95/35’11”

5,60/18’4” 19,2 19 ,20/ 0/63 63’0 ’0” ” 17,70/58’1” 12,30/40’4” 12,50/41’0”

660 kN (67,3 t/148,400 lb) 753 kN (76,7 t/169,100 lb)

30 8 20

6 4

10 2 0

0 -2

-10 -4 -20

-6 -8

-30

-40

-10

1

-12 -14 70

Operating Weight and Ground Pressure

2 20

18 60

16

14

50

12 40

10

8

30

6 20

4

2 10

The operation weight includes the basic machine with backhoe attachment, stick 4,00 m/13’1” and bucket 7,20 m 3/ 9.4 cuyd.

0m 0 ft

Pad width Weight Ground pressure

mm/in kg/lb kg/cm 2/ PS PS I

800/31 217600/479,700 1,97/28.02

Buckets Cutting width Capacity SAE heaped Weight Suitable for material up to a specific weight of

with wit h sti stick ck 4, 4,00 00 m m/1 /13’ 3’1” 1” wit w ith h sti stick ck 5, 5,60 60 m/1 m/18’ 8’4” 4”

mm/in m3/cuyd kg/lb kg/m kg /m3/lb/cuyd kg/m kg /m3/lb/cuyd

All buckets are heavy duty rock bucket with teeth size 86 (LP)

1900/75 4,50/5.9 6000/13,230 – 2200/3,800

2050/81 2300/91 2800/110 5,70/7.5 7,20/9.4 9,00/11.8 7200/15,870 8450/18,630 10000/22,050 2200/3,800 1800/3,000 1500/2,500 1800/3,000 1500/2,500 –





Digging envelop envelope e Max . reach at ground level Max . dump height Max . crowd length Bucket opening width T ft

12,65 11,00 5,00 2,35

m/41’6” m/36’1” m/16’5” m/ 7’9”

m

Crowd Crow d for force ce at gr grou ound nd le leve vell Max . crowd force Max . breakout force

16 50

1000 kN (1 1000 (102 02,0 ,0 t/ t/22 224, 4,90 900 0 lb) lb) 1075 kN (109,5 t/241,400 lb) 920 kN ( 93,7 t/206,600 lb)

14 40

12 T

10 30 8 20

6 4

10 2 0

0 -2

-10 -4 14

12 40

10

8 30

6 20

4

2 10

0m

Operating Weight and Ground Pressure

0 ft

The operation weight includes the basic machine with shovel attachment and bucket 13,50 m 3/17.7 cuyd. Pad width Weight Ground pressure

mm/in kg/lb kg/cm2/ PS PS I

800/31 226400/499,150 2.05/29.16

Buckets Cutting width Capacity SAE heaped Weight Suitable for material up to a specific weight of 1) 2) 3)

mm/in m3/cuyd kg/lb kg/m3/lb/cuyd

3150/1241) 3500/1381) 3800/1501) 3800/1502) 4050/1593) 10,50/13.7 12,00/15.7 13,50/17.7 15,00/19.6 18,00/23.5 18000/39,680 1 9600/43,210 2 1500/47,400 2 1800/48,060 2 2000/48,500 2400/4,000

2000/3,400

Bottom dump bucket with Delta cutting edge and teeth size 81 (RYL) Bottom dump bucket with straight spade nose cutting edge and teeth size 81 (SYL) Coal bottom dump bucket with straight spade nose and teeth size 76 (FP)

1800/3,000

1500/2,500

1200/2,000







Cab

L

L Length H H eight Width Weight

H

mm/ft-in mm/ft-in mm/ft-in kg/lb

2875/9’5” 2850/9’4” 2020/6’8” 2570/5,670

Cab elevation L


H


2050/6’9” 2450/8’0” 2460/8’1” 2200/4,850

Upper with swing ring

L

H1

H

L Length H H eight H1 Height Width Weight

mm/ft-in mm/ft-in mm/ft-in mm/ft-in kg/lb

7650/25’1” 2455/ 8’1” 3668/12’0” 3750/12’4” 45200/99,650

Counterweight

L


H


1215/ 4’0” 2355/ 7’9” 5600/18’4” 22500/49,600

Fuel Tank (one) L Length H H eight Width Weight

H


2130/7’ 0” 2130/7’ 0” 1775/5’10” 1550/3,420

L

L

H

L

H

Hydraulic oil cooling unit (one) L Length H H eight Width Weight


Side panel (one each) L Length H Height Width Weight


2000/6’7” 2140/7’0” 1565/5’2” 1900/4,190

left

right

940/3’1” 2140/7’0” 1600/5’3” 480/1,060

990/3’3” 2140/7’0” 2070/6’9” 900/1,980





Catwalk for cab 1)

2)

L

3)

L

H

L

H

H

L Length H Height Width Weight


front1)

lateral2)

back3)

583/1’11” 336/1’ 1” 805/2’ 8” 41/90

3400/11’2” 440/ 1’5” 410/ 1’4” 130/285

1210/3’12” 440/1’ 5” 500/1’ 8” 40/88

Railing (1 kit)

L2 L1 L3 L5

L1 L2 L3 L4 L5

L4

Length Length Length Length Length Height Weight

mm/ft-in mm/ft-in mm/ft-in mm/ft-in mm/ft-in mm/ft-in kg/lb

1550/ 5’1” 4500/14’9” 5040/16’6” 1450/ 4’9” 650/ 2’2” 1010/ 3’4” 300/660

Undercarriage central girder L


H


4610/15’ 1” 2100/ 6’11” 3650/12’ 0” 22000/48,500

Side frame (each) with complete travel drive

L


H


8070/26’ 6” 2100/ 6’11” 22 00/ 7 ’ 3 ” 33900/74,740

Ladder

H

L

L

H


Cab1)

Undercarriage2)

200/ ’8” 1850/6’1” 460/1’6” 40/88

285/ ’11” 1500/4’11” 750/2’ 6 ” 2 x 75/165

9,00/29’6”

10,80/35’5”

4450/14’7” 450/ 1’6” 2 x 2700/5,950

4080/13’5” 450/ 1’6” 2 x 2260/4,980


Hoist cylinder (two) L

for gooseneck boom m/ft-in L

l

L

H

Length mm/ft-in Diameter mm/ft-in Weight kg/lb

Gooseneck boom with stick cylinders Boom length

m/ft-in



9,00/29’6”

10,80/35’ 5”

9500/31’2” 3800/12’6” 1900/6’ 3” 24000/52 910

11400/37’ 5” 3700/12’ 2” 1790/ 5’10” 22000/48 500





Backhoe buckets

L

Cuttin Cut ting g width width mm/ mm/ftft-in in Capacity L Length H Height Width Weight

H

1900/ 190 0/ 6’3 6’3””

m3/cuyd mm/ft-in mm/ft-in mm/ft-in kg/lb

2050/ 20 50/ 6’9 6’9””

2300/ 230 0/ 7’7 7’7””

2800/ 280 0/ 9’2 9’2””

4,50/5 5 0/5.9 .9 5,70/7 7 0/7.5 .5 7,20/9 2 0/9.4 .4 9,00/1 0 0/11. 1.8 3200/10’ 3200/ 10’6” 6 ” 32 3200/ 00/10’ 10’6” 6 ” 320 3200/1 0/10’6 0’6”” 340 3400/1 0/11’2 1’2”” 2050/ 205 0/ 6’9 6’9”” 20 2050/ 50/ 6’9 6’9”” 205 2050/ 0/ 6’9 6’9”” 220 2200/ 0/ 7’3 7’3”” 1900/ 190 0/ 6’3 6’3”” 20 2050/ 50/ 6’9 6’9”” 230 2300/ 0/ 7’7 7’7”” 280 2800/ 0/ 9’2 9’2”” 6000/13,230 7200/15,870 8450/18,630 10000/22,05 10000/22,0500

Backhoe buckets

L

Cuttin Cut ting g width width mm/ mm/ftft-in in 290 2900/ 0/ 9’ 6” Capacity L Length H Height Width Weight

H

L

3150/ 315 0/10’ 10’4” 4”

3500/1 350 0/11’6 1’6””

4200/1 420 0/13’9 3’9””

m3/cuyd 11,00/14. 0 0/14.4 13 13,00 ,00/17 /17.0 .0 14,00/18 0 0/18.3 .3 15,00/19. 0 0/19.6 20 20,00 ,00/26 /26.2 .2 mm/ft-in 365 3650/1 0/12’ 2’ 0” 350 3500/ 0/11’ 11’6” 6 ” 35 3550/ 50/11’ 11’8” 8 ” 340 3400/1 0/11’2 1’2”” 355 3550/1 0/11’8 1’8”” mm/ft-in 270 2700/ 0/ 8’1 8’10” 0” 260 2600/ 0/ 8’6 8’6”” 28 2850/ 50/ 9’4 9’4”” 260 2600/ 0/ 8’6 8’6”” 280 2800/ 0/ 9’2 9’2”” mm/ft-in 290 2900/ 0/ 9’ 6” 315 3150/ 0/10’ 10’4” 4 ” 32 3200/ 00/10’ 10’6” 6 ” 350 3500/1 0/11’6 1’6”” 420 4200/1 0/13’9 3’9”” kg/lb 13400/29,540 14000/30,860 14500/31,970 14200/31,310 14300/31,530

Shovel boom with two crow crowd d cylinders L Length H Height Width Weight wi without cy cylinders Weight of crowd cylinders

H

3200/ 32 00/10’ 10’6” 6”

mm/ft-in mm/ft-in mm/ft-in kg/lb kg/lb

6800/22’ 4” 2400/ 7’10” 25 10/ 8 ’ 3 ” 14500/31,970 2 x 1250/2,760

Shovel stick L

H



4700/15’5” 1700/5’ 7” 2600/8’ 6” 10000/22,050

Bucket tilt cylinders (two) L

L

L

l

Length mm/ft-in Diameter mm/ft-in Weight kg/lb

3840/12’7” 320/ 1’1” 2 x 1450/3,200

Bottom dump buckets Cuttin Cut ting g width width mm/ mm/ftft-in in 315 3150/1 0/10’4 0’4””

H

Capacity L Length H Height Width Weight

m3/cuyd

10,50/13. 5 0/13.7

3500/ 350 0/11’ 11’6” 6”

3800/ 38 00/12’ 12’6” 6”

3800/1 380 0/12’6 2’6”” 405 4050/1 0/13’ 3’ 3”

12,00 12 ,00/15 /15.7 .7

13,50/17 5 0/17.7 .7

15,00/19. 0 0/19.6

18,00 18 ,00/23 /23.5 .5

mm/ft-in 345 3450/1 0/11’4 1’4”” 345 3450/ 0/11’ 11’4” 4 ” 34 3450/ 50/11’ 11’4” 4 ” 365 3650/1 0/12’0 2’0”” 380 3800/1 0/12’ 2’ 6” mm/ft-in 3500 3500/11’ /11’6” 6” 3500 3500/11’6 /11’6”” 3500 3500/11’6 /11’6”” 3500 3500/11’ /11’6” 6” 3600/11’10 3600/11’10”” mm/ft-in 315 3150/1 0/10’4 0’4”” 345 3450/ 0/11’ 11’4” 4 ” 34 3450/ 50/11’ 11’4” 4 ” 345 3450/1 0/11’4 1’4”” 405 4050/1 0/13’ 3’ 3” kg/lb 19000/41,890 20600/45,420 22500/49,600 22800/50,270 23000/50,710





. e c i t o n t u o h t i w e g n a h c o t t c e j b u S . t n e m p i u q e d r a d n a t s m o r f r e f f i d y a m a t a d d n a s n o i t a r t s u l l I

Technical Description Hydraulic Excavator

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