The Kubota A-15 is a sub-compact utility tractor produced from 1988 to 1992 as part of the Aste Series. It features a Kubota D905 0.9L 3-cylinder liquid-cooled diesel engine producing 15.3 hp (11.4 kW) with a 6-speed transmission (6 forward and 2 reverse). The tractor has four-wheel drive and a two-post ROPS for safety. It has a wheelbase of 53.2 inches (135 cm), weighs 1433 lbs (650 kg), and uses standard agricultural tires sized 5.00-12 front and 8-16 rear. The PTO rear type is 540 rpm with multiple engine RPM settings. The A-15 was succeeded by models such as the Kubota A-155 and A-17.