Challenger

Challenger 65B

The Challenger 65B is an agricultural crawler tractor produced from 1991 to 1992 by Challenger, a part of Caterpillar. It features a Caterpillar 10.5L 6-cylinder turbocharged intercooled diesel engine producing 285 hp (212.5 kW). The tractor has a 10-speed full power shift transmission with 10 forward and 2 reverse gears. It uses crawler drive with hydrostatic differential steering and hydraulic caliper disc brakes. The tractor includes a standard cab and a closed hydraulic system with 4 valves and a 26 gpm pump flow. The rear hitch is type III/IV with a lift capacity of 11,370 lbs (5157 kg) and a 1000 rpm rear PTO. Dimensions include a 106 inch (269 cm) wheelbase and an operating weight of 34,030 lbs (15,436 kg). The tracks are 24.5 inches wide with a length on ground of 107 inches and ground pressure of 5.9 psi. Related models include the Challenger 65C and the earlier Challenger 65.
Power270 hp
Founded1987 - 1990
Model65B

Technical Specifications

Detailed specifications and technical data for Challenger 65B

Power
Engine285 hp (212.5 kW)
PTO (tested)257.20 hp (191.8 kW)
Drawbar (tested)220.32 hp (164.3 kW)
Engine
ModelCaterpillar 10.5L 6-cyl diesel
Power285 hp (212.5 kW)
Detailsturbocharged intercooled diesel, 6-cylinder, liquid-cooled
Fuel tank220 gal (832.7 L)
Rated RPM2100
Air cleanerdual dry elements
Bore/Stroke4.75x6.00 inches (121 x 152 mm)
Compression15:1
Displacement638 ci (10.5 L)
Starter volts12
Coolant capacity44 qts (41.6 L)
Tracks
Width24.5 inches (62 cm)
Area on ground5243 in² (3.4 m²)
Ground pressure5.9 psi (0.4 bar)
Length on ground107 inches (271 cm)
Width (secondary)20.5 inches (52 cm)
Area on ground (secondary)35.5 in² (0.0 m²)
Length on ground (secondary)27.5 inches (69 cm)
Dimensions
Wheelbase106 inches (269 cm)
Operating weight34,030 lbs (15436 kg)
Hydraulics
Typeclosed
Valves4
Pump flow26 gpm (98.4 lpm)
Mechanical
Cabstandard
Drivecrawler
BrakesHydraulic caliper disc brakes
Steeringhydrostatic differential steering
Production
TypeAgricultural Crawler tractor
Years produced1991 - 1992
Transmission
Typefull power shift
Gears10 forward and 2 reverse
Tractor hitch
Rear TypeIII/IV
Rear lift11,370 lbs (5157 kg)
Power Take-off (PTO)
Rear PTO Type1000