Satoh tractors Tractors Model Engine displacement Power output Years S370 0.7 L (40.8 cu-in) 15.0 HP (11.2 kW) 1977-1984 S650G 1.0 L (60.2 cu-in) 1.2 L (71.3 cu-in) 25.0 HP (18.6 kW) 27.0 HP (20.1 kW) 1973-1983