John Deere Diesel engines Powertech 4.5L and 6.8L Workshop Manual

John Deere Diesel engines. 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

John Deere Powertech 4.5L. 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.

John Deere Denso HPCR. Some components of this engine may be serviced without removing the engine from the machine. Refer to the specific machine technical manual for information on components that can be serviced without removing the engine from the machine and for engine removal and installation procedures.

Read each block of material completely before performing service to check for differences in procedures or specifications. Follow only the procedures that apply to the engine model number you are working on. If only one procedure is given, that procedure applies to all the engines in the manual.