Part of the John Deere Repair Manuals.
This is the complete John Deere factory repair manual (TM4648/TM4649) for the 6215, 6415, 6615 and 6715 tractors. Across 1,698 pages it covers every major system on the machine: engine removal and rebuild, the three available transmissions (SyncroPlus, Power Reverser and PowrQuad), front-wheel drive and final drives, hydrostatic steering and brakes, the full hydraulic system with pump, valves and rockshaft, and the complete electrical system with wiring harnesses and diagnostic monitoring. It is the same two-volume set a John Deere dealer technician uses, with the idle speeds, torque values, cooling test pressures and diagnostic charts laid out so a repair is done to spec from the start.
Other editions of this manual
What's Inside This Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | Specifications, Tune-Up, Predelivery Inspection | |
| Engine | Engine Removal and Installation | |
| Fuel, Air Intake, Cooling and Exhaust Systems | Fuel System, Air Intake System, Cooling System, Speed Control Linkage, Cold-Weather Starting Aids, Exhaust System | |
| Electrical System | Connectors, Wiring Harnesses, Charging Circuit, Starting Motor Circuit, Fuses and Relays, Monitoring Systems, Electrical Components | |
| SyncroPlus Transmission | Transmission Removal and Installation, Shift Controls, Perma Clutch Ii Module, Gear Transmission | |
| Power Reverser | Power Reverser Module Removal and Installation, Shift Controls, Power Reverser Module, Gear Transmission | |
| PowrQuad Transmission | Component Removal and Installation, Shift Controls, PowrQuad Module, Creeper Transmission, Range Transmission | |
| Drive System | U-Jointed Shafts and Torsion Damper, Front-Wheel Drive Clutch, Differential, Hydraulic Pump Drive, Final Drives, Rear PTO, Front PTO, Front Implement Drive | |
| Steering and Brakes | Hydrostatic Steering, Steering Cylinders, Brake Valve, Rear Brakes | |
| Hydraulic System | Controls, Hydraulic Pump, Valves, Rockshaft, Selective Control Valves and Couplers, Independent Control Valve | |
| Frame, Axle and Wheels | Main Frame, Front Axle, Front and Rear Wheels, Trailer Mounting and Swinging Drawbar | |
| Operator's Cab | Controls and Instruments, Air-Conditioning System, Heating System, Seats, Cab Removal and Installation | |
| Special Tools | Dealer-Fabricated Special Tools, Dealer-Available Special Tools |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All models | ||
| Engine | 4.5-liter PowerTech 4-cylinder diesel (4045/6068) | |
| 6215, 6415, 6615, 6715 | ||
| Rated engine speed | 2300 rpm | |
| Fast idle - mechanical actuation | 2460+50 rpm | |
| Fast idle - electronic actuation | 2460-10/+20 rpm | |
| Fast idle with AutoQuad activated | 2300 rpm max. | |
| Slow idle - mechanical actuation | 875 +/-50 rpm | |
| Slow idle - electronic actuation above 20 deg C (68 deg F) | 850 +/-10 rpm | |
| Slow idle - electronic actuation below 0 deg C (32 deg F) | 1050 +/-10 rpm | |
| Cooling system test pressure | 50-60 kPa (0.5-0.6 bar; 7-8.7 psi) | |
| Radiator cap pressure valve opens at | 70-90 kPa (0.70-0.90 bar; 10-13 psi) | |
| Air cleaner restriction warning switch closes at vacuum | 5.9-6.9 kPa (59-69 mbar; 0.85-1.0 psi) | |
