Challenger 65D

The Challenger 65D is an agricultural crawler tractor produced from 1995 to 1997 by Challenger, a part of Caterpillar. It features a Caterpillar 10.4L 6-cylinder turbocharged intercooled diesel engine producing 300 hp gross power. The tractor has a 10-speed full power shift transmission and hydrostatic differential steering. It is equipped with closed-center pressure-compensated hydraulics with 4 valves and a pump flow of 27 gpm (optional 35 gpm). The 65D has a rear type III hitch with a lift capacity of 15,084 lbs and an independent 1000 RPM rear PTO. Dimensions include a 107-inch wheelbase, 232-inch length, and 120-inch width with 30-inch tracks. Operating weight is 35,235 lbs. The tractor features a cab with air-conditioning and hydraulic wet disc brakes. Electrical system includes a 12-volt battery setup with a 145 amp alternator. The 65D was priced originally at $129,000 in 1997. During testing, its hydraulics did not meet the advertised 27 GPM flow, achieving 21.6 GPM at maximum power.