Challenger

Challenger MT665E

The Challenger MT665E is a row-crop tractor produced from 2014 to 2020 as part of the MT600E Series by Challenger, a part of AGCO. It features a powerful AGCO POWER 8.4L 6-cylinder turbocharged diesel engine with 290 hp rated power and a maximum of 320 hp. The tractor is equipped with a Techstar continuously variable transmission (CVT) offering infinite forward and reverse speeds. It includes advanced mechanical features such as four-wheel drive, electro-hydraulic differential lock, hydrostatic power steering, and hydraulic wet disc brakes. The cab is standard with air-conditioning and offers optional hydraulic suspension and precision guidance systems. Hydraulics are closed center load sensing with up to 6 valves and 54 gpm pump flow. The tractor hitch supports category III/IVN with a rear lift capacity of 26455 lbs. The rear PTO is independent with 1000/1000E rpm options. Dimensions include a 122 inch wheelbase, 218.6 inch length, and 141 inch cab height, with a shipping weight of 23810 lbs. Electrical system features a 12 volt negative ground with a 240 amp alternator system. The MT665E shares similarities with Massey Ferguson model 8732 and is related to the MT655E, MT675E, and the earlier MT665D models.
Power290 hp
Founded2014 - 2020
ModelMT665E

Technical Specifications

Detailed specifications and technical data for Challenger MT665E

Power
Engine290 hp (216.3 kW)
PTO (tested)284.8 hp (212.4 kW)
PTO (claimed)250 hp (186.4 kW)
Drawbar (tested)232.7 hp (173.5 kW)
Engine
Typeturbocharged with air-to-air intercooler diesel
ModelAGCO POWER 8.4L 6-cyl diesel
Power290 hp (216.3 kW)
Coolingliquid-cooled
Starterelectric
Cylinders6-cylinder 24-valve
EmissionsTier IV
Fuel tank166 gal (628.3 L)
Rated RPM2100
Bore/Stroke4.37x5.71 inches (111 x 145 mm)
Displacement512.6 ci (8.4 L)
Maximum Power320 hp (238.6 kW)
Starter volts12
Emission controlselective catalytic reduction (SCR)
Exhaust fluid (DEF)15.8 gal (59.8 L)
Variants
8732similar Massey Ferguson model
Dimensions
Length218.6 inches (555 cm)
Wheelbase122 inches (309 cm)
Height (cab)141 inches (358 cm)
Bar rear axle4.33 by 105 inches (109 by 2667 mm), 4.33 by 118 inches (109 by 2997 mm)
Shipping weight23810 lbs (10800 kg)
Electrical
Groundnegative
Battery volts12
Charging amps240 (twin 120A)
Charging volts12
Charging systemalternator
Hydraulics
Typeclosed center load sensing (CCLS)
Valves4 to 6
Pressure2900 psi (200.0 bar)
Pump flow54 gpm (204.4 lpm)
Mechanical
Cabstandard with air-conditioning. Optional OptiRide Plus hydraulic cab suspension. AgCommand ready; AUTO-GUIDE 3000
BrakesHydraulic wet disc brakes
Steeringhydrostatic power
Four-wheel driveyes
Differential lockelectro-hydraulic
Production
TypeRow-Crop tractor
SeriesMT600E Series
Built inJackson, Minnesota, USA
Years produced2014 - 2020
Transmission
Typecontinuously variable transmission (CVT)
Gearsinfinite forward and reverse (2-range)
ModelTechstar CVT
Tractor hitch
DrawbarCat. 3
Rear TypeIII/IVN
Optional drawbarCat 3 Heavy Duty, Cat 4
Rear lift (at ends)26455 lbs (11999 kg)
Power Take-off (PTO)
Rear PTOindependent
Rear PTO Type1000/1000E (1.75)