Challenger MT665D tractor

Challenger MT665D

Power

290 hp

Production

2011-2013

Engine

Turbocharged air-to-air intercooled diesel, 6-cylinder

Transmission

Techstar CVT

Weight

33070 lbs [15000 kg]

Drive

4WD

From the same series:

MT655D
MT675D

Introduction

Challenger MT665D Row-Crop Tractor

The Challenger MT665D is a heavy-duty row-crop tractor produced by AGCO in Jackson, Minnesota, between 2011 and 2013. This model is engineered for large-scale agricultural operations requiring high torque and consistent power delivery.

Engine and Powertrain

The tractor is powered by an 8.4-liter, 6-cylinder turbocharged diesel engine equipped with an air-to-air intercooler. It features an electronic high-pressure common rail fuel system and utilizes selective catalytic reduction (SCR) to meet Interim Tier IV emission standards. The engine delivers a gross power output of 290 hp and a maximum power of 320 hp at a rated speed of 2100 RPM.

Transmission and Drivetrain

The MT665D utilizes the Techstar CVT (Continuously Variable Transmission), which provides an infinite range of forward and reverse speeds without the need for traditional gear shifting. The drivetrain includes four-wheel drive with an inboard planetary final drive system and an electro-hydraulic differential lock to manage traction on variable surfaces.

Hydraulics and Hitch

The hydraulic system is a closed-center load-sensing (CCLS) type with a total flow capacity of 46 gpm (174.1 lpm). It supports 4 to 6 valves for implement control. The rear hitch is a Category III system capable of a lift capacity of 22,760 lbs (10,323 kg), with an optional Category 3 heavy-duty drawbar and front hitch available.

Operator Environment and Chassis

The tractor features a standard cab equipped with air conditioning and an optional OptiRide Plus hydraulic suspension system to improve operator comfort. The chassis is built on a 122-inch wheelbase, with a maximum operating weight of 33,070 lbs. The front axle includes Quadlink suspension to enhance stability during field operations.

Conclusion

The Challenger MT665D is designed for demanding row-crop farming tasks. Its combination of a high-capacity CVT transmission, robust hydraulic output, and substantial lift capacity makes it a suitable machine for heavy tillage, planting, and large-scale implement management.

Production Information of Challenger, MT665D

  • Original price was $300,971 in 2013
  • Row-Crop tractor
  • Built in Jackson, Minnesota, USA
ManufacturerChallenger (a part of AGCO)

Dimension and Tires Information of Challenger, MT665D

Front axle4WD Quadlink Suspension
Wheelbase122 inches [309 cm]
Max weight33070 lbs [15000 kg]
Shipping weight24250 lbs [10999 kg]
Length215.7 inches [547 cm]
Rear axle4.33 by 105 inches [109 by 2667 mm]
Front axle4WD
Height (cab)141 inches [358 cm]
Rear axle4.33 by 118 inches [109 by 2997 mm]
Standard tires (ag)Front: 480/70R34. Rear: 520/85R46

Engine Specifications of Challenger, MT665D

  • Liquid-cooled
  • 6-cylinder
  • Turbocharged air-to-air intercooled diesel
Starter volts12
StarterElectric
Emission controlSelective catalytic reduction (SCR)
Fuel systemElectronic high-pressure common rail
Maximum Power320 hp [238.6 kW]
Displacement513.8 ci [8.4 L]
EmissionsInterim Tier IV
Power (gross)290 hp [216.3 kW]
Bore/Stroke4.370x5.709 inches [111 x 145 mm]
Rated RPM2100
Compression16.7:1
Pre-heatingThermostart

Transmission Information of Challenger, MT665D

Transmission variants 1

TransmissionTechstar CVT
TypeContinuously variable transmission
GearsInfinite forward and reverse

Mechanical Specs of Challenger, MT665D

  • Four-wheel drive
  • Hydraulic wet disc brakes
  • Cab standard with air-conditioning and OptiRide Plus hydraulic suspension AGCO System 150 (optional); AGCOMMAND (optional)
SteeringHydrostatic power
Final drivesInboard planetary
Trailer brakesPneumatic (optional)
Differential lockElectro-hydraulic

Power Information of Challenger, MT665D

Rear PTOIndependent
Engine RPM540E@1577
Engine RPM(optional)540E/1000/1000E (optional)
ClutchElectro-hydraulic
Clutch(optional)1000E@1605
Rear PTO Type1000/1000E (1.75)

Hydraulics Specifications of Challenger, MT665D

TypeClosed center load sensing (CCLS)
SCV flow26.4 gpm [99.9 lpm]
Valves4 to 6
Capacity29.1 gal [110.1 L]
Total flow46 gpm [174.1 lpm]
Pressure2900 psi [200.0 bar]

Three-Point Hitch of Challenger, MT665D

Rear TypeIII
DrawbarCat. 3
Front lift (at ends)11000 lbs [4989 kg]
Rear lift22760 lbs [10323 kg]
Rear lift(optional)Cat. 3 Heavy-Duty (optional)
Front HitchIII (optional)

Electrical System of Challenger, MT665D

GroundNegative
Battery volts12
Batteries2
Charging systemAlternator
Charging amps240

Where it sits

With 290 HP, the Challenger MT665D sits between MT655D (265 HP) and MT675D (320 HP) in Challenger's range. Its power puts it in the 90th percentile of 2010s models in our database (2476 machines).

Frequently asked questions

How much horsepower does the Challenger MT665D have?

The Challenger MT665D delivers 290 HP.

What years was the Challenger MT665D produced?

The Challenger MT665D was produced in 2011-2013.

What engine does the Challenger MT665D have?

The Challenger MT665D is powered by a Turbocharged air-to-air intercooled diesel, 6-cylinder engine.

What transmission does the Challenger MT665D use?

The Challenger MT665D uses a Techstar CVT transmission.

How much does the Challenger MT665D weigh?

The Challenger MT665D weighs 33070 lbs [15000 kg].

Is the Challenger MT665D 4WD?

The Challenger MT665D is available in 4WD.

Compare the Challenger MT665D with another model