The Hinomoto E21 is a farm tractor manufactured by Hinomoto in Japan from 1977 to 1979. It is powered by a Toyosha S125 1.3L 2-cylinder liquid-cooled diesel engine producing 21 hp (15.7 kW). The tractor features a mechanical transmission with two-wheel drive and an open operator station. It measures 101 inches in length, 48 inches in width, and 52 inches in height, weighing 1,973 lbs (894 kg).