Part of the John Deere Repair Manuals.
This 606-page John Deere PowerTech 4.5L and 6.8L Diesel Engines Technical Manual (OEM #CTM104) walks you through a full rebuild of both engine families, from teardown to final assembly. Inside: a complete engine disassembly and assembly sequence, sealant application guidelines, a theory of operation section covering lubrication and cooling system function, and an observable diagnostics section built around real symptom codes like L1 excessive oil consumption and C1 coolant temperature above normal. You also get the specifications group with unified inch and metric bolt and screw torque values, plus the essential and service tool lists for cylinder head, valve, and injector work on both 2-valve and 4-valve HPCR heads. No more flipping between three dog-eared references while your engine sits half-torn-down on the stand. This PDF is bookmarked by group and fully text-searchable, so you can jump straight from cover to torque table without hunting.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 15-52 | Group 000, Safety, Work in Ventilated Area, Recognize Safety Information, Work in Clean Area, Dispose of Waste Properly, Avoid Harmful Asbestos Dust, Handle Fuel Safely |
| Repair and Adjustments | 53-408 | Group 010 - Cylinder Head & Valves, Cylinder Block/Liners/Pistons, Crankshaft & Main Bearings, Camshaft & Timing Gear Train, Lubrication System, Cooling System, Fuel Injection & Air Intake, Turbocharger |
| Theory of Operation | 409-426 | Group 120, Base Engine Operation (Base Engine Theory of Operation, Lubrication System Operation, Cooling System Operation) |
| Diagnostics | 427-454 | Group 150 |
| Tools and Other Materials | 455-510 | Group 170 |
| Specifications | 511-606 | Group 200, Repair and General OEM Specifications (Unified Inch Bolt and Screw Torque Values, Metric Bolt and Screw Torque Values) |
Documents This Manual Refers To
The manufacturer cites these publications by number. We carry them:

















