The Challenger 75E is an agricultural crawler tractor produced from 1998 to 2001 by Challenger, a part of Caterpillar. It features a Caterpillar 10.3L 6-cylinder turbocharged intercooled diesel engine producing 340 hp (253.5 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 75E includes a standard cab and a closed hydraulic system with 4 valves and 40 gpm total flow. It has a rear hitch type III and IV and a 1000 rpm rear PTO. The operating weight is 34,800 lbs (15,785 kg) with 25-inch wide tracks. Original price was $207,300.