John Deere 6615 tractor

John Deere 6615

Power

120 hp

Production

2005-2010

Engine

6-cylinder

Transmission

John Deere SyncroPlus

Weight

15,430 lbs [6999 kg]

Drive

4WD

From the same series:

6415
7515

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
ManufacturerJohn Deere

Dimension and Tires Information of John Deere, 6615

  • Flange rear axle
  • Rack-and-pinion rear axle
Front tread63.6 to 84.8 inches [161 to 215 cm]
Wheelbase104.3 inches [264 cm]
Max weight15,430 lbs [6999 kg]
Length193.7 inches [491 cm]
Rear tread71.3 inches [181 cm (flange)]
Height107.8 inches [273 cm]
Rear tread64.4 to 75.5 inches [163 to 191 cm (bar with cab)]
Rear tread61.6 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 volts12
Displacement414.4 ci [6.8 L]
Oil capacity20.1 qts [19.0 L]
Rated RPM2300
Bore/Stroke4.19x5.00 inches [106 x 127 mm]
Coolant capacity26.4 qts [25.0 L]
Torque RPM1400
Torque334 lb-ft [452.9 Nm]
Power120.3 hp [89.7 kW]

Transmission Information of John Deere, 6615

Transmission variants 1

  • Three synchronized gears (1-3) in four synchronized ranges (A-D).
TransmissionJohn Deere SyncroPlus
Oil capacity65.5 qts [62.0 L]
ClutchHydraulic wet disc PermaClutch II
TypeFully synchronized
Oil typeJD Hy-Gard
Gears12 forward and 4 reverse

Transmission variants 2

  • Four power shift gears (1-4) in four synchronized ranges (A-D).
TransmissionJohn Deere PowrQuad
Oil capacity65.5 qts [62.0 L]
ClutchHydraulic wet disc PermaClutch II
TypePartial power shift
Oil typeJD Hy-Gard
Gears16 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 lockElectro-hydraulic
SteeringHydrostatic power

Power Information of John Deere, 6615

Rear PTOIndependent
Rear PTO(optional)540/1000
ClutchElectro-hydraulic
Rear PTO Type540

Hydraulics Specifications of John Deere, 6615

SCV flow15.85 gpm [60.0 lpm]
TypeClosed center
Pump flow17.44 gpm [66.0 lpm]
Valves2 to 3
Capacity16.4 gal [62.1 L]
Capacity(optional)25.4 gpm (optional) [96.1 lpm]
Capacity(optional)26.42 gpm (optional) [100.0 lpm]
Pressure2900 psi [200.0 bar]
Pressure(optional)JD Hy-Gard
Oil typeJD Hy-Gard

Three-Point Hitch of John Deere, 6615

Rear TypeII
Rear lift (at 24"/610mm)4,762 lbs [2160 kg]
ControlElectronic lower link
Rear lift (at ends)5,445 lbs [2469 kg]

Electrical System of John Deere, 6615

GroundNegative
Battery AH150
Battery volts12
Charging systemAlternator
Charging amps90

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.

Compare the John Deere 6615 with another model