The Iseki AT37 is a compact utility tractor produced from 2004 to 2009 as part of the AT Series by Iseki. It features a 2.2L 4-cylinder liquid-cooled diesel engine producing 36.5 hp (27.2 kW) with a 24-speed 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 standard agricultural tires sized 8-18 front and 13.6-26 rear. Dimensions include a 76-inch wheelbase, 138.6-inch length, and heights of 88.6 inches (ROPS) or 99.6 inches (cab). The tractor weighs between 3660 and 4012 pounds depending on configuration. Rear PTO operates at 540 rpm with various engine RPM settings. The AT37 is related to models AT33, AT41, and the successor AT370.