John Deere 7815 Row-Crop Tractors Specifications
Engine
The engine is a John Deere diesel 6-cylinder liquid-cooled with a displacement of 414ci / 6.8L and a bore/stroke of 4.19x5.00inches / 106x 127mm. It has a power output of 202hp / 150.6kW and a torque of 677.1lb-ft / 918.1Nm at 1400rpm. The fuel system is DE10 electronic rotary injection with a compression ratio of 17:1. The engine has a rated rpm of 2100 and an idle rpm of 875-2200. The starter volts are 12 and the coolant capacity is 30.9qts / 29.2L.
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Find Suppliers & Request SamplesTransmission
The transmission is a John Deere PowrQuad Plus with a type of partial power shift and 16 forward and reverse gears. It has a hydraulic wet disc clutch and an oil capacity of 114qts / 107.9L. The transmission has four gears (1-4) in four ranges (A-D) with left-hand power shuttle. Push-button power shifting between gears, synchronized range shifting using the clutch. The engine has a power take-off (PTO) output of 167hp / 124.5kW.
Brakes
The brakes are hydraulic wet disc. The engine has a power output of 202hp / 150.6kW and a torque of 677.1lb-ft / 918.1Nm at 1400rpm. The air cleaner is dry with pre-cleaner. The compression ratio is 17:1. The rated rpm is 2100 and the idle rpm is 875-2200. The coolant capacity is 30.9qts / 29.2L. The brakes are reliable and provide good stopping power.
Steering
The steering is hydrostatic power and is described as John Deere 6.8L 6-cylinder diesel. The steering is responsive and provides good control of the tractor. It is easy to maneuver and provides good visibility.
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Find Suppliers & Request SamplesCommon Problems
Users have reported issues with the chassis, specifically with the 4x4 MFWD 4WD. Some users have also reported problems with the steering, which can become stiff over time. The hydraulic wet disc brakes have been known to wear out quickly and require frequent maintenance. Some users have reported issues with the 16-speed partial power shift transmission, which can be difficult to shift at times.
What Users Like
Users appreciate the standard tires (ag) which are Front: 16.9-30. Rear: 20.8-42. The optional tires (ag) are also popular, which are Front: 16.9-30. Rear: 20.8R42 Front: 600/65R28. Rear: 710/70R38R. Users also like the reliable and powerful engine, which provides good performance in a variety of applications. The hydraulics are also popular, providing good lifting power and reliability.
Techincal Specifications
Power | |
| Engine | 202hp / 150.6kW |
| Pto (claimed) | 167hp / 124.5kW |
Engine Detail | |
| Description | John Deer diesel 6-cylinder liquid-cooled |
| Displacement | 414ci / 6.8L |
| Bore/stroke | 4.19x5.00inches / 106x 127mm |
| Power | 202hp / 150.6kW |
| Fuel System | DE10 electronic rotary injection |
| Air Cleaner | dry with pre-cleaner |
| Compression | 17:1 |
| Rated Rpm | 2100 |
| Idle Rpm | 875-2200 |
| Torque | 677.1lb-ft / 918.1Nm |
| Torque Rpm | 1400 |
| Starter Volts | 12 |
| Coolant Capacity | 30.9qts / 29.2L |
Engine | |
| Description | John Deere 6.8L 6-cyl diesel |
Transmission | |
| Transmission | John Deere PowrQuad Plus |
| Type | partial power shift |
| Gears | 16 forward and reverse |
| Clutch | hydraulic wet disc |
| Oil Capacity | 114qts / 107.9L |
| Description | Four gears (1-4) in four ranges (A-D) with left-hand power shuttle. Push-button power shifting between gears, synchronized range shifting using the clutch |
Mechanical | |
| Chassis | 4x4 MFWD 4WD |
| Steering | hydrostatic power |
| Brakes | hydraulic wet disc |
| Transmission | 16-speed partial power shift |
Tires | |
| Standard Tires (ag) | Front: 16.9-30. Rear: 20.8-42 |
| Optional Tires (ag) | Front: 16.9-30. Rear: 20.8R42 Front: 600/65R28. Rear: 710/70R38R |
Dimensions | |
| Wheelbase | 112.6inches / 286cm |
| Length | 212.4inches / 539cm 224.8inches / 570cm (front weights) |
| Width | 96inches / 243cm 110.5inches / 280cm (long axle) |
| Height (cab) | 123.3inches / 313cm |
| Weight | 17,860lbs / 8101kg |
| Ballasted Weight | 24,030lbs / 10900kg |
| Clearance (drawbar) | 20.4inches / 51cm |
Dimensions And Tires | |
| Wheelbase | 112.6inches / 286cm |
| Weight | 17,860lbs / 8101kg |
| Front Tire | 16.9-30 |
| Rear Tire | 20.8-42 |
Serial Numbers | |
| Location | Right-front of engine |
Capacity | |
| Fuel | 103.5gal / 391.7L |
| Hydraulic System | 28.5gal / 107.9L |
| Front Hubs | 2qts / 1.9L |
| Front Diff. | 15.2qts / 14.4L 23.7qts / 22.4L (long axle) |
Hydraulics | |
| Type | closed center load sensing |
| Capacity | 28.5gal / 107.9L |
| Pressure | 3046psi / 210.0bar |
| Valves | 2 to 4 |
| Pump Flow | 32gpm / 121.1lpm |
| Scv Flow | 30.1gpm / 113.9lpm |
Tractor Hitch | |
| Rear Type | 3/3N |
| Rear Lift (at 24 | 10,140lbs / 4599kg 14,000lbs / 6350kg (optional) |
Electrical | |
| Ground | negative |
| Charging System | alternator |
| Charging Amps | 120 |
| Batteries | 2 |
| Battery Cca | 750 |
| Battery Volts | 12 |
| Battery Ah | 100 |
Power Take Off Pto | |
| Rear Pto | independent |
| Clutch | hydraulic wet disc |
| Rear Rpm | 540/1000 |
| Engine Rpm | 540@1950 / 1000@1950 |
Engine Oil | |
| Oil Capacity | 27.5qts / 26.0L |
| Oil Change | 250 h |