Part of the John Deere Repair Manuals.
All 635 pages of this John Deere 4045 Technical Manual PDF (OEM CTM104) zero in on one job: a complete factory-level rebuild of the 4.5L and 6.8L diesel engines powering the 4700 Sprayer, 6700/6700S Sprayer, 9935 Cotton Picker, 7455 Cotton Stripper, and 9400 Combine. Open to full exploded views of every major assembly, torque tables for inch and metric fasteners, error code charts, test values for each subsystem, and piston-to-bore clearance specs you won't find in a field guide. Inside, you also get a full engine rebuild sequence: disassembly through final assembly and break-in, backed by maintenance intervals from the factory. Check the vibration damper: maximum radial run-out is 1.50 mm, replace at 4500 hours or five years, and set the belt tensioner spring tension to 18–22 N•m. Engine apart. Every wrong guess costs you another head gasket. Bookmarked by section and keyword-searchable; open it on your phone or tablet right at the machine.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 17-24 | Handle Fluids Safely, Avoid Fires, Prevent Battery Explosions, Prepare for Emergencies, Prevent Acid Burns, Avoid High-Pressure Fluids, Wear Protective Clothing |
| General Information | 25-32 | Unified Inch Bolt and Cap Screw Torque Values, Metric Bolt and Cap Screw Torque Values, Engine Model Designation, Engine Serial Number Plate Information, Engine Application Charts |
| Fuels, Lubricants and Coolant | 33-48 | Diesel Fuel, Lubricity of Diesel Fuels, Engine Break-In Oil, Alternative and Synthetic Lubricants, Mixing of Lubricants, Oilscan Plus® and Coolscan Plus®, Grease |
| Engine Mounting | 49-56 | Engine Repair Stand, Safety Precautions, Install Adapters on Engine Repair Stand, Engine Lifting Procedure, Clean Engine, Mount Engine on Repair Stand |
| Engine Rebuild Guide | 57-62 | Engine Disassembly Sequence, Sealant Application Guidelines, RTV Silicone Sealant Form-In-Place Gasket, Never-Seez® Compound, Engine Assembly Sequence, Perform Engine Break-In |
| Cylinder Head and Valves | 63-118 | Essential Tools, Cylinder Head and Valves Specifications, Check and Adjust Valve Clearance, Remove Cylinder Head, Inspect and Measure Camshaft Followers, Complete Final Assembly |
| Cylinder Block, Liners, Pistons and Rods | 119-184 | Liner removal/install, Piston & Ring Service, Connecting Rods (Precision Joint), Piston Protrusion & Bore Clearances |
| Crankshaft, Main Bearings and Flywheel | 185-238 | Crankshaft Inspection & Regrind, Main Bearings, Vibration Damper Run-Out, Front & Rear Oil Seals & Wear Sleeves, Flywheel |
| Camshaft, Balancer Shafts and Timing | 239-300 | Camshaft & Followers, Balancer Shafts, Timing Gears & Backlash, Timing Gear Cover, Front Plate |
| Lubrication System | 301-330 | Oil Pump, Oil Cooler, Oil Filter Base, Dipstick Tubes, Oil Pan, Piston Cooling Orifices |
| Cooling System | 331-364 | Water Pump, Thermostats, Dual Thermostat Water Manifold, Coolant Deaeration, Automatic Belt Tensioner |
| Air Intake and Exhaust System | 365-388 | Turbocharger Service, Wastegate Actuator Adjustment, Intake & Exhaust Manifolds, Air Intake Heater |
| Fuel System | 389-470 | Rotary & In-Line Injection Pumps, Static Timing, Primary & Final Fuel Filters, Supply Pump, Aneroid, Injection Nozzles |
| Starting and Charging Systems | 471-474 | Starting & Charging Component Removal & Installation |
| Engine Tune-Up and Break-In | 475-490 | Dynamometer Test Specs, Tune-Up Procedures, Engine Break-In |
| Engine System Operation and Tests | 491-520 | Cranking-Speed Test, Crankcase Blow-By Pressure Check, System Diagnostics |
| Air Intake and Exhaust Operation and Tests | 521-542 | Turbo Boost-Pressure Specs, Oil-Seal Leak Test, Intake & Exhaust Restriction Check, Wastegate Test |
| Fuel System Operation and Tests | 543-624 | Injection-Pump Theory & Specs, Fuel Supply Quality & Air-In-Fuel & Return-Line Checks, Shut-Off Solenoid Test |
| Dealer Fabricated Tools | 625-635 | Dealer-Fabricated Service Tools |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Vibration Damper Maximum radial run-out | 1.50 mm | p. 199 |
| Vibration Damper Maximum wobble | 1.50 mm | p. 199 |
| Belt Tensioner Spring Tension | 18—22 N•m | p. 352 |
| Restricted Fuel Line Cleaning | Clean as required | p. 582 |
