| Manufacturer | John Deere |
| Price | - |
| Model | 7815 |
| Equipment Type | Row-Crop Tractors |
| Factory | Montenegro, Brazil |
JOHN DEERE 7815 POWER
| Engine | 202hp / 150.6kW |
| PTO (claimed) | 167hp / 124.5kW |
ENGINE DETAIL
The John Deere 7815 tractor features a robust 6-cylinder diesel engine with 202 hp and a remarkable torque output of 677.1 lb-ft at 1400 RPM, making it highly suitable for heavy-duty applications. Its DE10 electronic rotary injection system promotes fuel efficiency and optimized combustion, while the dry air cleaner with pre-cleaner helps maintain engine performance in dusty conditions. However, the engine's 17:1 compression ratio may require careful maintenance, particularly during cold starts, to ensure reliable operation.
| 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 OIL
The John Deere 7815 tractor has an oil capacity of 27.5 quarts (26.0 liters), which allows for adequate lubrication during operation, enhancing engine longevity. Regular oil changes every 250 hours are essential to maintain optimal engine performance and prevent wear, ensuring reliability in demanding agricultural tasks. Be mindful of oil quality and adherence to the maintenance schedule to maximize efficiency and reduce operational downtime.
| Oil capacity | 27.5qts / 26.0L |
| Oil change | 250 h |
JOHN DEERE 7815 ENGINE
The John Deere 7815 is powered by a robust 6.8L 6-cylinder diesel engine, providing excellent torque and fuel efficiency, making it suitable for heavy-duty farming operations. Its superior hydraulic system ensures optimal implement performance, but users should be mindful of potential maintenance challenges associated with high-operating hours. Overall, this tractor excels in demanding scenarios such as plowing and tilling, enhancing productivity on larger agricultural fields.
| Description | John Deere 6.8L 6-cyl diesel |
TRANSMISSION
The John Deere 7815 features a PowrQuad Plus partial power shift transmission, providing 16 forward and reverse gears, enhancing versatility across various field operations. The hydraulic wet disc clutch offers smooth engagement and durability, though maintenance might be more demanding than traditional clutches. This transmission is ideal for users requiring precision in varying terrain and load conditions, but operators should be familiar with the clutch operation to avoid potential wear.
| 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
The John Deere 7815 features a robust 4x4 MFWD system, which provides superior traction and stability in varied terrains, ideal for both field work and transport tasks. The hydrostatic power steering enhances maneuverability, especially during tight turns, while the hydraulic wet disc brakes offer reliable stopping power under load. Its 16-speed partial power shift transmission allows for efficient speed control and optimization of engine performance, making it suitable for diverse agricultural applications.
| Chassis | 4x4 MFWD 4WD |
| Steering | hydrostatic power |
| Brakes | hydraulic wet disc |
| Transmission | 16-speed partial power shift |
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) |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | hydraulic wet disc |
| Rear RPM | 540/1000 |
| Engine RPM | 540@1950 / 1000@1950 |
JOHN DEERE 7815 TIRES
The John Deere 7815 tractor features standard ag tires (16.9-30 front and 20.8-42 rear), offering a balance of traction and flotation, ideal for diverse agricultural tasks. Optional tire configurations (including 20.8R42 and 710/70R38) provide versatility for varying field conditions, enhancing grip on softer terrains or increasing overall load capacity. Choosing the right tire size based on specific application scenarios can optimize performance and fuel efficiency, but larger tires may pose challenges in tight spaces or on steep inclines.
| 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 & TIRES
The John Deere 7815 features a wheelbase of 112.6 inches, optimizing stability and maneuverability in diverse farming scenarios. Weighing 17,860 lbs, its mass contributes to traction for heavy-duty tasks, but may pose challenges in soft ground conditions. The front tires (16.9-30) and rear tires (20.8-42) provide a balanced footprint, suitable for tillage and transport, yet may lead to increased soil compaction if not managed properly.
| Wheelbase | 112.6inches / 286cm |
| Weight | 17,860lbs / 8101kg |
| Front tire | 16.9-30 |
| Rear tire | 20.8-42 |
7815 SERIAL NUMBERS
| Location | Right-front of engine |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 120 |
| Batteries | 2 |
| Battery CCA | 750 |
| Battery volts | 12 |
| Battery AH | 100 |