
John Deere 6615
Power
120 hp
Production
2005-2010
Engine
6-cylinder
Transmission
John Deere SyncroPlus
Weight
15,430 lbs [6999 kg]
Drive
4WD
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Introduction
John Deere 6615 Utility Tractor
The John Deere 6615 is a utility tractor produced between 2005 and 2010 in Montenegro, Brazil. Designed as a versatile agricultural machine, it combines a robust 6-cylinder engine with flexible transmission options to address a wide range of farming requirements.
Engine and Performance
The tractor is powered by a 414.4 cubic inch (6.8 L) 6-cylinder liquid-cooled engine. It produces 120.3 horsepower at a rated engine speed of 2300 RPM. The engine delivers a peak torque of 334 lb-ft at 1400 RPM, providing consistent pulling power for various implements.
Transmission and Drivetrain
Two transmission configurations are available: the John Deere SyncroPlus, a fully synchronized 12-forward and 4-reverse gear system, or the John Deere PowrQuad, a partial power shift transmission offering 16 forward and reverse speeds. Both systems utilize the hydraulic wet disc PermaClutch II, ensuring smooth gear engagement. The tractor is equipped with four-wheel drive and an electro-hydraulic differential lock to maximize traction in difficult field conditions.
Hydraulics and PTO
The hydraulic system features a closed-center design with a standard pump flow of 17.44 gpm (66.0 lpm), with an optional upgrade available to 25.4 gpm (96.1 lpm). Operating at a pressure of 2900 psi, it supports 2 to 3 valves for implement control. The independent rear PTO provides speeds of 540 and 1000 RPM, managed via an electro-hydraulic clutch.
Dimensions and Capacity
With a wheelbase of 104.3 inches and a total length of 193.7 inches, the 6615 is built for stability. It features a Category II rear hitch with an electronic lower link control, offering a lift capacity of 5,445 lbs at the hitch ends. The tractor is designed to handle a maximum weight of 15,430 lbs, suitable for demanding heavy-duty applications.
Conclusion
The John Deere 6615 is a reliable, high-torque utility tractor well-suited for general field work and heavy implement operation. Its combination of multiple transmission choices and a strong hydraulic system makes it a versatile tool for professional agricultural operations requiring consistent power and durability.
Production Information of John Deere, 6615
- Utility tractor
- Built in Montenegro, Brazil
| Manufacturer | John Deere |
|---|
Dimension and Tires Information of John Deere, 6615
- Flange rear axle
- Rack-and-pinion rear axle
| Front tread | 63.6 to 84.8 inches [161 to 215 cm] |
|---|---|
| Wheelbase | 104.3 inches [264 cm] |
| Max weight | 15,430 lbs [6999 kg] |
| Length | 193.7 inches [491 cm] |
| Rear tread | 71.3 inches [181 cm (flange)] |
| Height | 107.8 inches [273 cm] |
| Rear tread | 64.4 to 75.5 inches [163 to 191 cm (bar with cab)] |
| Rear tread | 61.6 to 91.2 inches [156 to 231 cm (bar)] |
| Standard tires (ag) | Front: 14.9-26. Rear: 23.1-30 |
|---|
Engine Specifications of John Deere, 6615
- Liquid-cooled
- 6-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 414.4 ci [6.8 L] |
| Oil capacity | 20.1 qts [19.0 L] |
| Rated RPM | 2300 |
| Bore/Stroke | 4.19x5.00 inches [106 x 127 mm] |
| Coolant capacity | 26.4 qts [25.0 L] |
| Torque RPM | 1400 |
| Torque | 334 lb-ft [452.9 Nm] |
| Power | 120.3 hp [89.7 kW] |
Transmission Information of John Deere, 6615
Transmission variants 1
- Three synchronized gears (1-3) in four synchronized ranges (A-D).
| Transmission | John Deere SyncroPlus |
|---|---|
| Oil capacity | 65.5 qts [62.0 L] |
| Clutch | Hydraulic wet disc PermaClutch II |
| Type | Fully synchronized |
| Oil type | JD Hy-Gard |
| Gears | 12 forward and 4 reverse |
Transmission variants 2
- Four power shift gears (1-4) in four synchronized ranges (A-D).
| Transmission | John Deere PowrQuad |
|---|---|
| Oil capacity | 65.5 qts [62.0 L] |
| Clutch | Hydraulic wet disc PermaClutch II |
| Type | Partial power shift |
| Oil type | JD Hy-Gard |
| Gears | 16 forward and reverse |
- 12-speed fully synchronized
- 16-speed partial power shift
Mechanical Specs of John Deere, 6615
- Four-wheel drive
- Cab optional.
- Hydraulic wet disc brakes
| Differential lock | Electro-hydraulic |
|---|---|
| Steering | Hydrostatic power |
Power Information of John Deere, 6615
| Rear PTO | Independent |
|---|---|
| Rear PTO(optional) | 540/1000 |
| Clutch | Electro-hydraulic |
| Rear PTO Type | 540 |
Hydraulics Specifications of John Deere, 6615
| SCV flow | 15.85 gpm [60.0 lpm] |
|---|---|
| Type | Closed center |
| Pump flow | 17.44 gpm [66.0 lpm] |
| Valves | 2 to 3 |
| Capacity | 16.4 gal [62.1 L] |
| Capacity(optional) | 25.4 gpm (optional) [96.1 lpm] |
| Capacity(optional) | 26.42 gpm (optional) [100.0 lpm] |
| Pressure | 2900 psi [200.0 bar] |
| Pressure(optional) | JD Hy-Gard |
| Oil type | JD Hy-Gard |
Three-Point Hitch of John Deere, 6615
| Rear Type | II |
|---|---|
| Rear lift (at 24"/610mm) | 4,762 lbs [2160 kg] |
| Control | Electronic lower link |
| Rear lift (at ends) | 5,445 lbs [2469 kg] |
Electrical System of John Deere, 6615
| Ground | Negative |
|---|---|
| Battery AH | 150 |
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 90 |
Where it sits
With 120 HP, the John Deere 6615 sits between 6415 (108 HP) and 6605 (121 HP) in John Deere's range. Its power puts it in the 73th percentile of 2000s models in our database (2822 machines).
Frequently asked questions
How much horsepower does the John Deere 6615 have?
The John Deere 6615 delivers 120 HP.
What years was the John Deere 6615 produced?
The John Deere 6615 was produced in 2005-2010.
What engine does the John Deere 6615 have?
The John Deere 6615 is powered by a 6-cylinder engine.
What transmission does the John Deere 6615 use?
The John Deere 6615 uses a John Deere SyncroPlus transmission.
How much does the John Deere 6615 weigh?
The John Deere 6615 weighs 15,430 lbs [6999 kg].
Is the John Deere 6615 4WD?
The John Deere 6615 is available in 4WD.