Challenger

MT665B

Farm tractor · 2005–2008 · 290 hp

The Challenger MT665B is a farm tractor manufactured from 2005 to 2008. It features a Sisu 84ETA engine, and power steering. The transmission is a continuously variable transmission (CVT) type with infinite forward and reverse (2-range).

Engine

EngineSisu 84ETA
Fuel Typediesel
Cylinders6
Coolingliquid-cooled vertical inline
Turbocharger Statusturbocharged diesel
Displacement513 ci (8.4 L)
Bore4.37 in (111 mm)
Stroke5.71 in (145 mm)
Compression Ratio17.5
Power Gross290 hp (216.3 kW)
Power Rated290 hp (216.3 kW)
Power PTO267.9 hp (199.8 kW)
Power Drawbar231.2 hp (172.4 kW)
Air Cleanerdual paper elements
Fuel Systemelectronic direct injection
Starter Volts12
Oil Capacity20 qts (18.9 L)
Coolant Capacity35.6 qts (33.7 L)
ManufacturerSisu
Rated2,200 RPM
Idle800-2350 RPM

Transmission

Transmission Typecontinuously variable transmission (CVT)
Transmission ModelTechStar
Gearsinfinite forward and reverse (2-range)
Oil Capacity70.8 qts (67 L)
Available Optionscontinuously variable transmission (CVT), 18-speed power shift

Hydraulics

Typepressure flow compensated (PFC)
Pressure2,900 psi (200 bar)
Valves4
Total Flow39 gpm (147.6 lpm)
System Capacity26.4 gal (99.9 L)

Hitch

Rear TypeIII
Rear Lift15,600 lbs (7,076 kg)
Front TypeII optional
Front Lift7,700 lbs (3,492 kg)

Dimensions

Length206 in (523 cm)
Width118 in (299 cm)
Height Cab123.6 in (313 cm)
Wheelbase121.1 in (307 cm)
Ground Clearance22.4 in (56 cm)
Rear Tread60 in (152 cm)
Max Drawbar5,620 lbs (2,549 kg)

Weight

Shipping19,550 lbs (8,867 kg)
Operating20,290 lbs (9,203 kg)
Ballasted29,050 lbs (13,177 kg)

Tires & Tracks

Front Ag380/85R34
Rear Ag480/80R46

Fuel

Capacity159 gal (601.8 L)

Steering

Typepower

Cab

Cabstandard with heat and A/C. Optional pneumatic cab suspension and automatic climate control.

Compatible Implements

ModelTypeWidthMin HP
Land Pride BB4596drag_scraper95"70 hp
Land Pride BB4510drag_scraper120"70 hp
Land Pride BB4512drag_scraper144"70 hp

Checked: 3-point hitch category, PTO horsepower. Not checked: PTO speed (540/1000), hydraulic flow, 3-point lift capacity, rear remotes, ballast.

These implements meet this tractor's hitch and PTO-HP requirements — this is not a full compatibility guarantee. Confirm the remaining specs with your dealer before purchasing.