The Claas Challenger 65E is an agricultural crawler tractor manufactured by Claas. It features a Caterpillar 10.3L 6-cylinder turbocharged diesel engine producing 310 hp (231.2 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 is equipped with a closed hydraulic system with 4 valves and a total flow of 40 gpm (151.4 lpm). The rear hitch supports types III and IV with a lift capacity of 14,583 lbs (6614 kg). The rear PTO operates at 1000 rpm. The tractor has a wheelbase of 107 inches (271 cm), weighs 34,195 lbs (15510 kg), and runs on 25-inch wide tracks. The original price was $187,000.