Part of the John Deere Repair Manuals.
Wrenching on a John Deere 6405 or 6605? This 720-page John Deere 6405, 6605 Service Manual PDF (OEM #TM4867) covers both tractors bumper to drawbar. You get factory wiring diagrams for the full electric system, hydraulic schematics with troubleshooting for the 100-liter pump and gear pump circuits, plus complete teardown procedures for the SyncroPlus and PowrQuad transmissions, PermaClutch II, Danfoss hydrostatic steering, brakes, front wheel drive clutch, PTO, and cab air conditioning. Trace a dead circuit with the multitester identification and harness connector maintenance sections, or run the preliminary hydraulic tests before you pull a single line. Diagnose and calibrate the hydraulic lift system straight from the diagnostic section, then check your work against factory test values and torque tables. Transmissions eating your weekend? Get the factory answer, not forum folklore. Bookmarked front to back; jump straight to the group you need and start wrenching.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 5-6 | How to Use This Diagnosis and Tests Manual, Section Index, Special Tool References |
| Safety | 7-26 | Norms of Safety (Acknowledge the Safety Information, Observe the Safety Messages, Replace the Safety Stickers, Safe Handling of Liquids and Fuels, Avoiding the Explosion of Battery Gasses) |
| Electrical System | 27-127 | Special Tools for Electricity, Electric Harness Connector Maintenance, Multitester Identification, Source Circuit and Starting |
| SyncroPlus Transmission | 128-255 | SyncroPlus Transmission Troubleshooting, Tests and Regulations, Operation - SyncroPlus Transmission, PermaClutch Ii, Gearbox |
| PowrQuad Transmission | 256-390 | Operation, Troubleshooting, Regulating the Gearshift Unit, Operation - PowrQuad Transmission |
| Power Transmission | 391-429 | Front Wheel Drive Clutch, Diagnosis of the FWD, Differential Lock and PTO |
| Steering and Brakes | 430-478 | Operation and Tests, Troubleshooting, Checking the Steering and Brakes, Hydrostatic Steering-Danfoss |
| Hydraulic System | 479-677 | Troubleshooting - 100-Liter Pump, Preliminary Tests, 100 L Pump - Troubleshooting, Hydraulic System Diagnostic - Gear Pump |
| Cab | 678-720 | Tests of Operation, Troubleshooting - Air-Conditioning System, Ventilation and Heating - Troubleshooting |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Main Hydraulic Relief Valve Pressure | 200 ± 5 bar | p. 489 |
| Brake Pedal-to-Pump-Piston Clearance | 0.15 – 0.20 mm | p. 434 |
| Brake Circuit Test Pressure | 23500 – 25500 kPa (235 – 255 bar, 3400 – 3700 psi) | p. 434 |
