Caterpillar C7 ®
with TM ACERTTM TECHNOLOGY
® Caterpillar
C7
7.2L In-line 6 Cylinder 520 – 860 lb-ft Torque @ 1440 rpm
2006 190-350 hp @ 2500 rpm 1,295 lbs.
2
2007 190-300 hp @ 2200 rpm Truck and Bus 300-350 hp @ 2400 rpm RV and Fire Truck 1,425 lbs.
® Caterpillar
C7
2007 Enhancements
3
Common Rail Fuel System Variable Nozzle Turbo Clean Gas Induction Diesel Particulate Filter
2007 C7
Closed Crankcase Ventilation
CRS Air Supply Control
Variable Nozzle Turbo
CGI Valve
CGI Valve ADEM IV ECM Actuator
Cat Regeneration System 4
CGI Cooler
MAF Sensor
High pressure fuel pump
2007 C7 Common Rail Fuel System
Cylinder Head Modified for new fuel system
Cat Air Compressor 5
A4 ECM
Common Rail Fuel System
6
Facilitates compliance with 2007 emissions regulations Clean combustion technology Optimizes performance Increases fuel economy by up to 4%
2007 Aftertreatment Cooled Exhaust Gas Recirculation (CEGR) PM, PM, NOx, NOx, CO2 , HC CO2 , HC
EGR
Diesel Particulate Filter/Muffler
PM, PM, NOx, NOx, CO2 , HC CO2 , HC
NOx , H2O, CO2
PM, NOx, CO2 , HC
Diesel Oxidation Catalyst
Clean Gas Induction (CGI)
Particulate Trap
NOx , H2O, NOx , H2O, CO2 CO2
CGI
Diesel Particulate Filter/Muffler
PM, PM, NOx, NOx, CO2 , HC CO2 , HC
NOx , H2O, NOx , H2O, CO2 CO2
PM , NO x , CO2 , HC
Particulate Trap 7
DPF Physical Data
• Weight – Approx 120-135 Lbs
• • • • 8
Provides Sound Attenuation Diameter range 11-15 inches Manufactured by Cat Serviced by Cat
Wall Flow Filter Technology Soot Collects Along the Inlet Walls
Particulate Matter or Soot
9
Cells Fill Up
Clean Exhaust Out (CO2 , H2O)
Filter Substrate
Cordierite
Active Regeneration Options Cat Regeneration System
Auxiliary Heater
10
Increases exhaust temperature at the engine to promote regeneration
Self-Regenerating DPF Filter “ Active” Regeneration: Filter is Heated by Auxiliary Means
Regenerate under all conditions Optimal fuel economy DPF
11
System Design for Engine Thermal Management ACERT Oxidation Catalyst Not Too Hot, Not Too Cold
100ºC (212ºF)
12
200ºC (392ºF)
300ºC (572ºF)
2007 AfterTreatment Temperature Required for Self - Regeneration
400ºC (752ºF)
500ºC (932ºF)
600ºC (1112ºF)
DPF Cleaning Cleaning Out Residual Ash is a Regular Maintenance Procedure
13
Minimum first cleaning required at 150,000 miles On- or off-vehicle cleaning by dealers or customers
Target Service Time is 2 Hours of Shop Labor
Cat Process Should be About Half That Time 14
DPF Ash Service Tool Removable Inlet & Outlet Pipe
Removable Outlet Section & Inlet Pipe
Marmon Flange Connector
Connects to DPF by 3” & 5” hose
15
Cleaner Assembly On Chassis Pressure line connected to filter Outlet
Vacuum line connected to filter Inlet
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Ultra Low Diesel Fuel Availability
At refineries by June 2006 At terminals by July 15, 2006 At retails outlets October 15, 2006 Reduces BTUs By 1% Resulting in Fuel Economy Loss Of 1%
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For Your Business and Continued Support
