| Manufacturer | John Deere |
| Price | - |
| Model | 6615 |
| Equipment Type | Utility Tractors |
| Factory | Montenegro, Brazil |
JOHN DEERE 6615 POWER
| Engine | 120.3hp / 89.7kW |
| PTO (claimed) | 103hp / 76.8kW |
ENGINE DETAIL
The John Deere 6615 features a robust 6.8L turbocharged diesel engine, delivering 120.3 horsepower at 2300 RPM and a substantial torque of 334 lb-ft at 1400 RPM, making it suitable for heavy-duty agricultural tasks. Its efficient coolant capacity of 26.4 quarts ensures optimal engine temperature during prolonged operations. However, users should be aware of potential challenges in maintenance and parts availability relative to the tractor's age and configuration.
| Description | John Deere 6068T turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 414.4ci / 6.8L |
| Bore/Stroke | 4.19x5.00inches / 106x 127mm |
| Power | 120.3hp / 89.7kW |
| Rated RPM | 2300 |
| Torque | 334lb-ft / 452.9Nm |
| Torque RPM | 1400 |
| Starter volts | 12 |
| Coolant capacity | 26.4qts / 25.0L |
ENGINE OIL
The John Deere 6615 tractor's oil capacity of 20.1 quarts (19.0 liters) indicates a need for regular oil changes to maintain engine efficiency and longevity. Adequate oil volume is essential for optimal lubrication and cooling under heavy-load conditions. Operators should ensure to use the recommended oil type to avoid potential engine wear and maintain warranty compliance.
| Oil capacity | 20.1qts / 19.0L |
JOHN DEERE 6615 ENGINE
The John Deere 6615 features a robust 6.8L 6-cylinder diesel engine, delivering high torque for demanding agricultural tasks and promoting efficient fuel consumption. Its advanced emission controls may pose challenges for maintenance; however, this ensures compliance with modern environmental standards. Ideal for mid-sized farms, the 6615 balances power and versatility, making it suitable for both tillage and transport applications.
| Description | John Deere 6.8L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 6615 features a 12-speed fully synchronized transmission, providing smooth gear shifts ideal for various field applications. The 16-speed partial power shift offers enhanced flexibility, allowing for efficient varying terrain management, but may result in slightly more complexity in operation. Optimal use of this transmission system is in tasks requiring both speed regulation and torque management, such as plowing or towing heavy implements.
| Description | 12-speed fully synchronized 16-speed partial power shift |
TRANSMISSION 1
The John Deere 6615 tractor features a fully synchronized John Deere SyncroPlus transmission, allowing for smooth gear shifting with 12 forward and 4 reverse gears, enhancing operational efficiency during varied field conditions. The hydraulic wet disc Perma Clutch II offers robust engagement for improved longevity and performance, ideal for applications requiring frequent clutch engagement. With a high oil capacity of 65.5 quarts (62.0L) of JD Hy-Gard, this tractor ensures optimal cooling and lubrication, supporting extended operational hours without overheating.
| Transmission | John Deere SyncroPlus |
| Type | fully synchronized |
| Gears | 12 forward and 4 reverse |
| Clutch | hydraulic wet disc Perma Clutch II |
| Oil capacity | 65.5qts / 62.0L JD Hy-Gard |
| Description | Three synchronized gears (1-3) in four synchronized ranges (A-D) |
SPEEDS 1
| Description | With 18.4x34 R1 rear tires |
TRANSMISSION 2
The John Deere 6615 features a PowrQuad transmission, providing smooth shifting with 16 forward and reverse gears, ideal for varying field conditions. Its hydraulic wet disc Perma Clutch II enhances durability and reduces wear, making it suitable for heavy-duty applications. However, the limited gear range may not optimally support extreme terrains; ensuring proper range selection is crucial for efficiency.
| Transmission | John Deere PowrQuad |
| Type | partial power shift |
| Gears | 16 forward and reverse |
| Clutch | hydraulic wet disc Perma Clutch II |
| Oil capacity | 65.5qts / 62.0L JD Hy-Gard |
| Description | Four power shift gears (1-4) in four synchronized ranges (A-D) |
SPEEDS 2
| Description | With 18.4-34 R1 rear tires. Reverse speeds are 15% faster than forward speeds |
MECHANICAL
The John Deere 6615 features a 4x4 MFWD system which provides enhanced traction in variable terrains, ideal for agricultural applications. The electro-hydraulic differential lock offers improved traction control under adverse conditions, while the hydrostatic power steering ensures precise maneuverability. Its 12-speed transmission allows for efficient power management, though the optional cab may impact operator comfort in extreme weather scenarios.
| Chassis | 4x4 MFWD 4WD |
| Differential lock | electro-hydraulic |
| Steering | hydrostatic power |
| Brakes | hydraulic wet disc |
| Cab | Cab optional |
| Transmissions | 12-speed fully synchronized 16-speed partial power shift |
CAPACITY
| Fuel | 45.4gal / 171.8L 81gal / 306.6L (optional) |
| Hydraulic system | 16.4gal / 62.1L |
| Front axle | 8.7qts / 8.2L |
| Front hubs | 0.8qts / 0.8L (each) |
HYDRAULICS
| Type | closed center |
| Capacity | 16.4gal / 62.1L |
| Pressure | 2900psi / 200.0bar |
| Valves | 2 to 3 |
| Pump flow | 17.44gpm / 66.0lpm 26.42gpm / 100.0lpm (optional) |
| SCV flow | 15.85gpm / 60.0lpm 25.4gpm / 96.1lpm (optional) JD Hy-Gard |
TRACTOR HITCH
| Rear Type | II |
| Control | electronic lower link |
| Rear lift (at ends) | 5,445lbs / 2469kg |
| Rear lift (at 24 | 4,762lbs / 2160kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | electro-hydraulic |
| Rear RPM | 540/540/1000 |
JOHN DEERE 6615 TIRES
The John Deere 6615, equipped with standard agricultural tires (14.9-26 front and 23.1-30 rear), offers enhanced traction and stability on various terrains, making it suitable for medium to heavy-duty field operations. However, the tire size may limit maneuverability in tighter spaces, and proper inflation is crucial to prevent soil compaction and ensure optimal performance. Overall, these specifications enable effective plowing, tilling, and transport tasks, balancing power and efficiency in agricultural practices.
| Standard tires (ag) | Front: 14.9-26. Rear: 23.1-30 |
DIMENSIONS
| Wheelbase | 104.3inches / 264cm |
| Length | 193.7inches / 491cm |
| Height | 107.8inches / 273cm |
| Max weight | 15,430lbs / 6999kg |
| Rear axle | Rack-and-pinion |
| Front tread | 63.6 to 84.8inches / 161to 215cm |
| Rear tread | 64.4 to 75.5inches / 163to 191cm (bar with cab) |
DIMENSIONS & TIRES
The John Deere 6615 features a wheelbase of 104.3 inches (264 cm), providing enhanced stability and maneuverability for various farming tasks, particularly in tighter spaces. The front tire size of 14.9-26 offers good traction and improved steering response, while the larger rear tire size of 23.1-30 enhances load-carrying capacity and reduces soil compaction. However, the trade-off may include increased weight and reduced agility in very confined areas, which could impact performance in specialized applications.
| Wheelbase | 104.3inches / 264cm |
| Front tire | 14.9-26 |
| Rear tire | 23.1-30 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 90 |
| Battery volts | 12 |
| Battery AH | 150 |