John Deere 6605 tractor

John Deere 6605

Power

121 hp

Production

1998-2005

Engine

6-cylinder

Transmission

John Deere SyncroPlus

Drive

4WD

From the same series:

6405
7505

Introduction

John Deere 6605 Utility Tractor

The John Deere 6605 is a utility tractor produced between 1998 and 2005. Designed for versatility in agricultural operations, it features a 121 horsepower engine and is available with multiple transmission configurations to suit various field tasks.

Engine and Performance

The tractor is powered by a 6.8-liter, 6-cylinder liquid-cooled engine. It delivers 121 horsepower at a rated speed of 2300 RPM and produces a maximum torque of 379 lb-ft at 1400 RPM. The engine displacement and torque characteristics are optimized for sustained agricultural traction.

Transmission and Drivetrain

Two transmission options are available: the fully synchronized John Deere SyncroPlus, providing 12 forward and 4 reverse gears, and the John Deere PowrQuad, a partial power shift transmission offering 16 forward and 16 reverse gears. Both systems utilize a hydraulic wet disc PermaClutch II, ensuring smooth gear changes and durability under load.

Hydraulics and Hitch

The hydraulic system is a closed-center, flow-compensated design capable of a standard pump flow of 17.44 gpm, with optional configurations reaching up to 26.42 gpm. It features 2 to 3 valves and operates at a pressure of 2900 psi. The rear Category II hitch is equipped with electronic lower link control, offering a lift capacity of 10,251 lbs at the link ends.

Mechanical and Dimensions

Built on a 104.3-inch wheelbase, the 6605 features a four-wheel drive system, power steering, and hydraulic wet disc brakes. The machine is designed for adjustability, with various rear tread settings and tire options available to accommodate different row spacing and field conditions. A cab is available as an optional feature for operator comfort.

Conclusion

The John Deere 6605 is a reliable utility tractor suited for general field work and heavy-duty agricultural tasks. Its combination of a high-torque 6-cylinder engine, flexible transmission choices, and a robust hydraulic system makes it a versatile machine for diverse farm environments.

Production Information of John Deere, 6605

  • Utility tractor
ManufacturerJohn Deere

Dimension and Tires Information of John Deere, 6605

  • Rack-and-pinion rear axle
  • Flange rear axle
Rear tread71.3 inches [181 cm (flange)]
Wheelbase104.3 inches [264 cm]
Length193.7 inches [491 cm]
Rear tread61.6 to 91.2 inches [156 to 231 cm (bar)]
Front tread63.6 to 84.8 inches [161 to 215 cm]
Height107.8 inches [273 cm]
Rear tread64.4 to 75.5 inches [163 to 191 cm (bar with cab)]
Standard tires (ag)Front: 14.9-26. Rear: 23.1-30
Standard tires (ag)(optional)Front: 16.9-24. Rear: 18.4-38
Standard tires (ag)(optional)Front: 14.9-24. Rear: 15.5-38 (duals)
Optional tires (ag)Front: 14.9-24. Rear: 23.1-30
Optional tires (ag)(optional)Front: 16.9-24. Rear: 23.1-30
Optional tires (ag)(optional)Front: 14.9-24. Rear: 18.4-34

Engine Specifications of John Deere, 6605

  • 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 capacity20.1 qts [19.0 L]
Torque RPM1400
Torque379 lb-ft [513.9 Nm]
Power121 hp [90.2 kW]

Transmission Information of John Deere, 6605

Transmission variants 1

  • Three synchronized gears (1-3) in four synchronized ranges (A-D). Optional creeper range provides a total of 24 forward gears.
TransmissionJohn Deere SyncroPlus
Oil capacity60.2 qts [57.0 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 capacity60.2 qts [57.0 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, 6605

  • Four-wheel drive
  • Cab optional.
  • Hydraulic wet disc brakes
  • Power steering
Differential lockElectro-hydraulic

Power Information of John Deere, 6605

Rear PTOIndependent
ClutchElectro-hydraulic
Rear PTO Type540/1000

Hydraulics Specifications of John Deere, 6605

SCV flow15.85 gpm [60.0 lpm]
TypeClosed-center flow-compensated
Pump flow17.44 gpm [66.0 lpm]
Valves2 to 3
Capacity15.1 gal [57.2 L]
Oil typeJD Hy-Gard
Oil type(optional)26.42 gpm [100.0 lpm]
Pressure2900 psi [200.0 bar]
Pressure(optional)JD Hy-Gard

Three-Point Hitch of John Deere, 6605

Rear TypeII
ControlElectronic lower link
Rear lift (at ends)10,251 lbs [4649 kg]

Electrical System of John Deere, 6605

GroundNegative
Battery volts12
Cab Charging amps75
Charging systemAlternator
Battery AH150
ROPS Charging amps52

Where it sits

With 121 HP, the John Deere 6605 sits between 6615 (120 HP) and 7505 (140 HP) in John Deere's range. Its power puts it in the 78th percentile of 1990s models in our database (2097 machines).

Frequently asked questions

How much horsepower does the John Deere 6605 have?

The John Deere 6605 delivers 121 HP.

What years was the John Deere 6605 produced?

The John Deere 6605 was produced in 1998-2005.

What engine does the John Deere 6605 have?

The John Deere 6605 is powered by a 6-cylinder engine.

What transmission does the John Deere 6605 use?

The John Deere 6605 uses a John Deere SyncroPlus transmission.

Is the John Deere 6605 4WD?

The John Deere 6605 is available in 4WD.

Compare the John Deere 6605 with another model