The Kubota ZG20 is a 2WD zero-turn mower from the ZG series. This tractor was manufactured by Kubota from 2003 to 2007. The Kubota ZG20 is equipped with a 0.6 L (38.1 cu·in) V-twin gasoline engine and a hydrostatic transmission with infinite forward and reverse gears.
The Kubota ZG20 zero-turn mower used the Kohler GH630 engine. It is a 0.6 L, 624 cm2, (38.1 cu·in) V-twin natural aspirated gasoline engine with 77.0 mm (3.03 in) of the cylinder bore and 67.0 mm (2.64 in) of the piston stroke. This engine produced 20.3 PS (14.9