The Iseki AT50 is a compact utility tractor produced from 2004 to 2009 as part of the AT Series. It features a 3.0L 4-cylinder liquid-cooled diesel engine producing 49.4 hp (36.8 kW) with a 24-speed dry disc clutch transmission. The tractor offers four-wheel drive, power steering, wet disc brakes, and a two-post ROPS with an optional cab. It has a fuel tank capacity of 13.2 gallons (50.0 L) and weighs between 3814 to 4167 pounds depending on configuration. Dimensions include a 77.6 inch (197 cm) wheelbase, 138.6 inch (352 cm) length, and 61.4 inch (155 cm) width. Standard agricultural tires are 8.3-20 front and 13.6-28 rear. The rear PTO operates at 540 rpm with various engine RPM settings. The AT50 is related to the AT46 and the later AT500 model.