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Part of the John Deere Repair Manuals.
This is TM400619, the factory repair manual for the John Deere 6830 and 6930, the two big premium 6030-series tractors built from 2007 to 2013. It covers actual wrenching: pulling the PowerTech 6.8L, timing it, splitting the tractor to get at the PowrQuad module, resealing the load-sensing hydraulic pump, changing rear wet brake discs, and stripping the cab for AC or suspension work. You get the specifications and torque values John Deere dealers use, plus tests and adjustments so you can prove a repair before you bolt everything back together. If your 6930 is overheating, cutting out cold, or the loader has gone lazy, the procedures to fix it properly are in this book.
Complete the set for your 6830, 6930
Other edition of this manual
What's Inside This Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 7-31 | Safety Measures, Machine Runaway Prevention, Fluid Safety |
| General Information & Specifications | 32-95 | Model Specifications, Tests and Adjustments, Predelivery and Torque Values |
| Engine | 96-128 | PowerTech 6.8L Removal and Installation, Engine Specifications, Timing and Reassembly |
| Fuel, Air Intake, Cooling and Exhaust | 129-187 | Fuel System Service, Variable-Geometry Turbo and Air Intake, Cooling and Exhaust |
| Electrical System | 188-264 | Connector Information, Charging and Starting Circuits, Lighting |
| Electronic Control Units | 265-283 | Control Unit Removal and Installation, Sensor and Actuator Service |
| PowrQuad Transmission | 284-555 | Transmission Shift Unit, PowrQuad Module, Creeper and Range Transmission |
| Drive Train | 556-792 | Driveshaft and Torsion Damper, Front-Wheel Drive Clutch, Differential and Final Drives |
| Steering and Brakes | 793-923 | Hydrostatic Steering, Brake Valve, Rear Wet Brakes |
| Hydraulic System | 924-1184 | Load-Sensing Pump, Control Valves and SCVS, Rockshaft and Hitch |
| Miscellaneous | 1185-1407 | Main Frame and Hitches, Wheels, Ballast |
| Operator's Cab | 1408-1576 | Controls and Instruments, Air Conditioning and Heating, Cab Suspension |
| Special Tools | 1577-1624 | Required Service Tools, Dealer-Fabricated Tools |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| up to Model Year 2009 | ||
| Number of cylinders | 6 | p. 34 |
| Bore | 106.5 mm (4.19 in.) | p. 34 |
| Stroke | 127 mm (5.00 in.) | p. 34 |
| Displacement | 6.8 L (414 cu.in.) | p. 34 |
| Firing order | 1-5-3-6-2-4 | p. 34 |
| Compression ratio | 17.0:1 | p. 34 |
| Valve clearance (intake valves) | 0.36 mm (0.014 in.) | p. 34 |
| Valve clearance (exhaust valves) | 0.46 mm (0.018 in.) | p. 34 |
| Thermostat opening temperature | 82°C (180°F) | p. 34 |
| Slow idle speed | 845 - 855 rpm | p. 34 |
| Fast idle speed | 2245-2255 rpm | p. 34 |
| Rated engine speed | 2100 rpm | p. 34 |
| 6830, up to Model Year 2009 | ||
| Engine power (6830, up to Model Year 2009) | 103 kW (140 hp) | p. 34 |
| Maximum engine power (6830, up to Model Year 2009) | 108 kW (147 hp) | p. 34 |
| Max. torque at 1600 rpm (6830, up to Model Year 2009) | 625 Nm (461 lb.-ft.) | p. 34 |
| 6930, up to Model Year 2009 | ||
| Engine power (6930, up to Model Year 2009) | 114 kW (155 hp) | p. 34 |
| Maximum engine power (6930, up to Model Year 2009) | 120 kW (163 hp) | p. 34 |
| Max. torque at 1600 rpm (6930, up to Model Year 2009) | 695 Nm (513 lb.-ft.) | p. 34 |
| from Model Year 2010 | ||
| Number of cylinders | 6 | p. 35 |
| Bore | 106.5 mm (4.19 in.) | p. 35 |
