The Dongfeng DF-904 is a farm tractor manufactured by Dongfeng in Changzhou, Jiangsu, China. It features a 4.3L 4-cylinder liquid-cooled diesel engine producing 90 hp (67.1 kW) at 2300 RPM. The tractor has an 8-speed transmission with 8 forward and 4 reverse gears, four-wheel drive, hydraulic power steering, and wet disc brakes. The rear PTO is live with a 2-stage clutch and offers 540/1000 and 760/1000 RPM options. Dimensions include a wheelbase of 86.4 inches (219 cm), length of 180.8 inches (459 cm), width of 80.7 inches (204 cm), height of 110.6 inches (280 cm), and a weight of 7,883 lbs (3575 kg). The tractor rides on 11.2-24 front tires and 16.9-34 rear tires.