The Satoh ST-2020 is a compact utility tractor produced from 1979 to 1981 by Satoh. It features a Mitsubishi 4-cylinder liquid-cooled diesel engine producing 19.7 hp (14.7 kW). The tractor has a 9-speed gear transmission with 9 forward and 3 reverse gears, arranged as three gears plus reverse in three ranges. It is a two-wheel drive model weighing 1907 lbs (865 kg). Variants include the 2WD ST-2020 and the 4WD ST-2040.