The Shibaura SD2403 is a compact utility tractor produced by Shibaura starting in 1979. It belongs to the SD 3 Series and is built in Matsumoto, Japan. The SD2403 model features a 1.4L 3-cylinder liquid-cooled diesel engine producing 24 hp (17.9 kW). It is a two-wheel drive tractor with dimensions of 121 inches in length, 56 inches in width, and 74 inches in height, weighing 2845 lbs (1290 kg). The SD2403 has a variant, the SD2443, which is a 4WD model.