Kubota Corporation is a tractor and heavy equipment manufacturer based in Osaka, Japan. One of its notable contributions was to the construction of the Solar Ark. The company was established in 1890.
The company produces many products including tractors and agricultural equipment, engines, construction equipment, vending machines, pipe, valves, cast metal, pumps and equipment for water purification, sewage treatment and air conditioning.
Kubota engines are in both diesel and gasoline or spark ignition forms, ranging from the tiny 0.276 liter engine to 6.1 liter engine, in both air-cooled and-liquid cooled designs, naturally-aspirated and forced induction. Cylinder configurations are from single cylinder to inline six cylinders, with single cylinder to four-cylinder are the most common. Those engines are widely used in agricultural equipment, construction equipment, tractors, and marine propulsion.