The Shibaura SL1603 is a compact utility tractor built by Shibaura in Matsumoto, Japan. It features a 1.0L 3-cylinder liquid-cooled diesel engine producing 16 hp (11.9 kW). The tractor has a 10-speed gear transmission with 10 forward and 2 reverse speeds, arranged as five gears plus reverse in two ranges (low/high). It is a two-wheel drive model with an open operator station and a rear type I hitch. Dimensions are 85 inches long, 41 inches wide, and 68 inches high, weighing 1368 lbs (620 kg). Electrical system uses a 12-volt battery with negative ground.