John Deere PowerTech Plus 4.5L & 6.8L Diesel Engines 2004-2006 Technical Manual
Covers 4045HF475, 4045HF485, 6068HF475, 6068HF485 diesel engines. Details base engine operation, troubleshooting, and specifications for optimal performance. PN CTM104
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Models Covered & Key Technical Specifications
John Deere PowerTech Plus™ 4.5L & 6.8L Diesel Engines (CTM104) – 2004-2006 Technical Manual John Deere PowerTech Plus™ Diesel Engines (CTM104) | Base Engine Module.
- Published Enclosure Specs: 742 pages provides comprehensive coverage for all base engine systems and components.
- Measured Addressable Resolution: 17.3304 MB file size ensures detailed diagrams and service information are readily accessible.
- Approved Clamp Forces: Manual includes specific torque values for critical components, ensuring proper assembly.
- Reference Spacing Data: Documentation details procedures for engine rebuild, including disassembly and assembly sequences.
- Fundamental Electrical Load: Covers troubleshooting, diagnostics, and specifications for engine operation.
- Universal Footprint Data: Service information includes fuel system, cooling system, lubrication, and starting/charging system details.
Professional Workshop Service Manual & Technical Specifications
Essential Repair Field Manual: John Deere PowerTech Plus™ 4.5L & 6.8L Diesel Engines (CTM104) Troubleshooting-Index
Asset-ID: CTM104 (27JAN06) // Machine-Range: 2004-2006 // Model-Portfolio: 4045HF475, 4045HF485, 6068HF475, 6068HF485 Logic // Technical-details: Diesel Engine
| Specification | Technical-Path | Calibration-Spec |
|---|---|---|
| Engine Overhaul | Repair and Adjustments | Cylinder Head and Valves |
| Fuel System | Fuels, Lubricants and Coolants | Engine Identification and Application Charts |
| Lubrication System | Engine Rebuild | Theory of Operation |
Technical chapters are organized around key service areas:
Group 010—Engine Rebuild
This section provides detailed guidelines for engine overhaul, including repair stand procedures and disassembly sequences.
Group 020—Cylinder Head and Valves (Two-Valve Head Engines)
Covers procedures for checking and adjusting valve clearance, measuring valve lift, and servicing the cylinder head.
Group 021—Cylinder Head and Valves (Four-Valve Head Engines)
Details procedures for four-valve head engine adjustments, including valve lift measurement and inspection.
Group 030—Cylinder Block, Liners, Pistons and Rods
Provides instructions for disassembling, inspecting, and measuring critical engine components within the cylinder block assembly.
Group 040—Crankshaft, Main Bearings and Flywheel
Covers inspection and servicing of the crankshaft, main bearings, and flywheel for optimal engine performance.
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