| Manufacturer | John Deere |
| Price | - |
| Model | 7715 |
| Equipment Type | Row-Crop Tractors |
| Factory | Montenegro, Brazil |
JOHN DEERE 7715 POWER
| Engine | 182hp / 135.7kW |
| PTO (claimed) | 151hp / 112.6kW |
ENGINE DETAIL
The John Deere 7715 tractor features a robust 6-cylinder diesel engine with a displacement of 6.8L, delivering a maximum power output of 182hp and peak torque of 609.2 lb-ft at 1400 RPM, which ensures strong performance for heavy-duty applications. Its DE10 electronic rotary fuel injection system enhances efficiency and reliability but requires specific maintenance knowledge, especially for dealing with potential electronic issues. With a high compression ratio of 17:1, it provides excellent fuel economy and torque, making it suitable for fieldwork requiring sustained power, though it may present challenges in cold starting without proper engine preheating.
| Description | John Deere diesel 6-cylinder liquid-cooled |
| Displacement | 414ci / 6.8L |
| Bore/Stroke | 4.19x5.00inches / 106x 127mm |
| Power | 182hp / 135.7kW |
| Fuel system | DE10 electronic rotary injection |
| Air cleaner | dry with pre-cleaner |
| Compression | 17:1 |
| Rated RPM | 2100 |
| Idle RPM | 875-2200 |
| Torque | 609.2lb-ft / 826.1Nm |
| Torque RPM | 1400 |
| Starter volts | 12 |
| Coolant capacity | 30.9qts / 29.2L |
ENGINE OIL
The John Deere 7715 tractor has an oil capacity of 27.5 quarts (26.0 liters), facilitating efficient lubrication for optimal engine performance. Regular oil changes are required every 250 hours, ensuring longevity and reliability of engine components. Neglecting this maintenance schedule may lead to accelerated wear and reduced fuel efficiency, affecting overall productivity in agricultural tasks.
| Oil capacity | 27.5qts / 26.0L |
| Oil change | 250 h |
JOHN DEERE 7715 ENGINE
The John Deere 7715 features a robust 6.8L 6-cylinder diesel engine, which combines high torque output with efficient fuel consumption, ideal for heavy-duty agricultural applications. The tractor's durable build enhances longevity, though potential challenges may include maintenance complexity due to the advanced engine electronics. Overall, this model excels in performance during demanding tasks and provides versatility in various field operations.
| Description | John Deere 6.8L 6-cyl diesel |
TRANSMISSION
The John Deere 7715 features a PowrQuad Plus partial power shift transmission, providing 16 forward and reverse gears for enhanced operational flexibility and efficiency. The hydraulic wet disc clutch allows for smooth engagement and increased longevity, though the system may require more maintenance compared to a standard clutch. With an oil capacity of 114 quarts, efficient thermal management is ensured, crucial for prolonged heavy-duty applications.
| 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 7715 features a 4x4 MFWD chassis, providing superior traction and stability on uneven terrain, ideal for agricultural tasks. Its hydrostatic power steering enhances maneuverability, particularly in tight spaces, while the hydraulic wet disc brakes offer reliable stopping power under heavy loads. The 16-speed partial power shift transmission allows for efficient range selection, optimizing performance across various field applications, though it may present a learning curve for operators unfamiliar with partial power shifting.
| 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 | 2 qts /1.9 L |
| 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 7715 TIRES
The John Deere 7715 tractor comes with standard tire sizes of 16.9-30 in the front and 20.8-42 in the rear, which provide a good balance between traction and floatation for general agricultural use. Optional tire configurations, such as 20.8R42 and 710/70R38, can enhance soil compaction management and improve stability on uneven terrain, beneficial for specialized applications like planting or tilling. However, upgrading to wider tires may increase initial costs and change handling characteristics, leading to potential operational adjustments.
| 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 | 21,830lbs / 9902kg |
| Clearance (drawbar) | 20.4inches / 51cm |
DIMENSIONS & TIRES
The John Deere 7715, with a wheelbase of 112.6 inches, provides stability and maneuverability, making it suitable for diverse agricultural tasks. Its weight of 17,860 lbs contributes to good traction, especially when combined with rear tires measuring 20.8-42 inches, ideal for handling heavier implements. However, the larger tire size may limit operations in muddy conditions, requiring careful management to prevent soil compaction.
| Wheelbase | 112.6inches / 286cm |
| Weight | 17,860lbs / 8101kg |
| Front tire | 16.9-30 |
| Rear tire | 20.8-42 |
7715 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 |