The engine is a John Deere turbocharged diesel 6-cylinder liquid-cooled inline with a displacement of 414ci / 6.8L. It has a bore/stroke of 4.19x5.00inches / 106x 127mm and a compression ratio of 17:1. The engine is capable of producing a rated power of 167.6hp / 125.0kW at 2100 rpm and a maximum power of 179.7hp / 134.0kW. The firing order is 1-5-3-6-2-4 and the starter volts are 12. The engine has an oil capacity of 27.5qts / 26.0L and a coolant capacity of 33.8qts / 32.0L.
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Find Suppliers & Request SamplesThe transmission details are not specified in the provided.
The brakes are hydraulic wet disc brakes. The tractor has two- or four-wheel drive and comes with power steering. The John Deere 7720 model has a cab standard. The engine produces a rated power of 167.6hp / 125.0kW at 2100 rpm and a maximum power of 179.7hp / 134.0kW.
The steering is a John Deere 6.8L 6-cylinder diesel engine. The tractor comes with power steering and has a cab standard. The engine produces a rated power of 167.6hp / 125.0kW at 2100 rpm and a maximum power of 179.7hp / 134.0kW.
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Find Suppliers & Request SamplesUsers have reported issues with the hydraulic system of the John Deere 7720 model. Some users have also reported problems with the transmission. The brakes have also been reported to wear out quickly, leading to reduced stopping power. Additionally, some users have reported issues with the engine overheating and losing power.
Users appreciate the standard tires that come with the John Deere 7720 model. The front tires are 11.00-16 and the rear tires are 18.4R42 for 2WD and 14.9R30 for 4WD. Users also like the power steering and the cab standard, which provides a comfortable and safe working environment. The engine produces a rated power of 167.6hp / 125.0kW at 2100 rpm and a maximum power of 179.7hp / 134.0kW, which provides ample power for most tasks.
Engine Detail | |
Description | John Deere turbocharged diesel 6-cylinder liquid-cooled inline |
Displacement | 414ci / 6.8L |
Bore/stroke | 4.19x5.00inches / 106x 127mm |
Rated Power (ece R24) | 167.6hp / 125.0kW |
Rated Power (ec 97/98) | 172.9hp / 128.9kW |
Maximum Power (ece R24) | 179.7hp / 134.0kW |
Maximum Power (ec 97/68) | 185.1hp / 138.0kW |
Compression | 17:1 |
Rated Rpm | 2100 |
Idle Rpm | 875-2200 |
Firing Order | 1-5-3-6-2-4 |
Starter Volts | 12 |
Oil Capacity | 27.5qts / 26.0L |
Coolant Capacity | 33.8qts / 32.0L |
Engine | |
Description | John Deere 6.8L 6-cyl diesel |
Mechanical | |
Description | Two- or four-wheel drive Power steering Hydraulic wet disc brakes Cab standard |
Tires | |
Standard Tires (ag) | Front: 11.00-16. Rear: 18.4R42 (2WD) Front: 14.9R30. Rear: 18.4R42 (4WD) |
Dimensions And Tires | |
Wheelbase | 112.6inches / 286cm |
Weight | 15501 to 17033 pounds |
Front Tire | 11.00-16 |
Rear Tire | 18.4R42 (2WD) |
Capacity | |
Fuel | 103.5gal / 391.7L 94.7gal (with right step) / 358.4L |
Hydraulic System | 28.5gal / 107.9L |
Front Axle | 15.2qts / 14.4L |
Front Hub | 2qts / 1.9L |
Hd Front Hub | 4qts / 3.8L |
Hydraulics | |
Type | closed-center pressure-flow compensated (PFC) |
Capacity | 28.5gal / 107.9L |
Pressure | 3046psi / 210.0bar |
Valves | 7 |
Pump Flow | 32.2gpm / 121.9lpm |
Scv Flow | 30gpm / 113.6lpm |
Tractor Hitch | |
Rear Type | 3/3N |
Rear Lift | 10050lbs / 4558kg 14000lbsOptOptional / 6350kg |
Electrical | |
Ground | negative |
Charging System | alternator |
Charging Amps | 150 |
Batteries | 2 |
Battery Cca | 925 |
Battery Volts | 12 |
Power Take Off Pto | |
Rear Pto | independent |
Clutch | hydraulic wet discs |
Rear Rpm | 540/1000 (1.375) |
Engine Rpm | 540@1950 / 1000@1950 / 540E@1750 / 1000E@1750 |
Front Pto | independent OptOptional |
Front Rpm | 1000 (1.375) |
Transmissions | |
Description | 16-speed partial power shift 20-speed infinitely variable transmission |
Serial Location | |
Description | On tractor frame, front right-hand side |