Deere PowerTech 4.5L 6.8L Diesel Engine Service Repair Manual

Covers: John Deere PowerTech 4.5L and 6.8L Diesel Engines

• Base engine only
• Tier 1/Stage I, Tier 2/Stage II, Tier 3/Stage IIIA, Tier 3/Stage IIA Tier 3/Stage III

Pages: 626
Format: PDF file
File size: 17mb
Compatibility: Windows/Mac/Tablet/Smartphone
Notes: Instant digital download only – no printed copy or CD-ROM media.

The John Deere PowerTech 4.5L and 6.8L repair manual in downloadable PDF format includes detailed step-by-step instructions and illustrations to overhaul, service and repair the diesel engine. Torque specs, clearance and limit data are also covered to accurately rebuild the engine to OEM specifications. View the PDF manual on your computer/tablet or print any pages you need within minutes.

2012 publication. Fuel system repair manuals sold separately.

Topics:

• General Information
• Safety
• Engine Identification and Application Charts
• Specifications
• Clearances
• Torque Values
• Engine Operation
• Fuel, Lubricants and Coolant
• Engine Rebuild
• Cylinder Head & Valves (2-valve head or 4-valve head)
• Cylinder Block, Liners, Pistons, and Rods
• Crankshaft, Main Bearings, and Flywheel
• Camshaft and Timing Gear Train
• Lubrication System
• Cooling System
• Air Intake and Exhaust System
• Starting and Charging Systems
• Mechanical Diagnostics and Tests
• Repair Tools
• Diagnostic Specifications

Have any questions or need more details? Contact Us

Each engine has a 13-digit John Deere engine serial number identifying the producing factory, engine model designation, and a 6-digit sequential number. The following is an example:

CD4045L123456
CD …………… Engine Manufacturing Location
CD ………. Saran, France
T0 ……….. Dubuque, Iowa
PE ……….. Torreon, Mexico
J0 ………… Rosario, Argentina
4 …………….. Number of Cylinders
045 ………….. Displacement in Liters (4.5 Liters)
L …………….. Aspiration Code (Early Engines) or Emission Tier Level (Later Engines)
D ………… Naturally aspirated
T …………. Turbocharged, no aftercooling
A …………. Turbocharged and air-to-coolant aftercooled
H ………… Turbocharged and air-to-air aftercooled
S …………. Turbocharged and air-to sea water aftercooled
B …………. Non-certified engine
C,E or F….. Tier 1/Stage I emission certified engine
G, J or K …. Tier 2/Stage II emission certified engine
L, M, N or P Tier 3/Stage IIIA emission certified engine
123456………. 6-digit unique sequence number

Available fuel system manuals (sold separately):

• Mechanical Fuel Systems
• Level 1 Electronic Fuel Systems with Delphi/Lucas DP201 Pump
• Level 4 Electronic Fuel Systems with Bosch VP44 Pump
• Level 11 Electronic Fuel Systems with Denso High Pressure Common Rail
• Level 12 Electronic Fuel Systems with Stanadyne DE10 Pump
• Level 14 Electronic Fuel Systems with Denso High Pressure Common Rail
• Level 16 Electronic Fuel Systems with Denso High Pressure Common Rail