The Deutz-Fahr AgroStar 6.31 is a farm tractor produced from 1990 to 1993 as part of the AgroStar Series. It features a Deutz BF6L 913T turbocharged 6-cylinder air-cooled diesel engine with 120 hp (89.5 kW) power output. The tractor has an 18-speed transmission with 18 forward and 6 reverse gears, four-wheel drive, and a rear lift capacity of 14332 lbs (6500 kg). It is equipped with a 44.9 gal (169.9 L) fuel tank and hydraulic pump flow of 15.3 gpm (57.9 lpm). The rear PTO supports 540 and 1000 rpm. Dimensions include a wheelbase of 107.1 inches (272 cm), length of 186.6 inches (473 cm), height of 111 inches (281 cm), and weight of 10231 lbs (4640 kg). Tires are sized 16.9R26 front and 520/70R38 rear.