John Deere Diesel engines 4.5L and 6.8L Service Manual
POWERTECH 4.5L & 6.8L
Diesel Engines
Level 11 Electronic
Fuel System With
Denso HPCR
TECHNICAL MANUAL
POWERTECH 4.5 L & 6.8 L Diesel
Engines—Level 11 Electronic Fuel
System with Denso HPCR
CTM220 21JAN04 (ENGLISH)
For complete service information also see:
POWERTECH 4.5 L and 6.8 L Diesel
Engines—Base Engine …………….. CTM104
Alternators and Starter Motors……….. CTM77
OEM Engine Accessories …… CTM67 (English Only)
This manual is written for an experienced technician. Essential tools required in performing certain service
work are identified in this manual and are recommended for use.
This manual (CTM220) covers only Level 11 Electronic Fuel System with the Denso High-Pressure Common
Rail (HPCR). It is one of six volumes on 4.5 L and 6.8 L engines. The following five companion manuals
cover the base engine, mechanical fuel system, and other electronic control systems. Each manual covers
repair, operation, and diagnostics.
• CTM104—Base Engine
• CTM170—Level 4 Electronic Fuel System with
Bosch VP44 Pump
• CTM207—Mechanical Fuel Systems
• CTM284—Level 1 Electronic Fuel System with
Delphi (Lucas) DP201 Pump
• CTM331—Level 12 Electronic Fuel System with
Stanadyne DE 10 Pump
Other manuals will be added in the future to provide additional information on electronic fuel systems as
needed.
A complete set of all these manuals covering 4.5 L and 6.8 L engines is available in a binder by ordering
CTM 350 Binder Set.
Live with safety: Read the safety messages in the introduction of this manual and the cautions presented
throughout the text of the manual.
This is the safety-alert symbol. When you see this symbol on the machine or in this manual, be alert to
the potential for personal injury.
Use this component technical manual in conjunction with the machine technical manual. An application