The Allis Chalmers 440 is a four-wheel drive (4WD) tractor built by Steiger and distributed by Allis Chalmers. Produced from 1973 to 1977 in Fargo, North Dakota, USA, a total of 1,033 units were built. It features a Cummins 9.1L 8-cylinder turbocharged diesel engine producing 218 hp (162.6 kW), paired with a 10-speed Eaton transmission. The tractor includes articulated hydraulic power steering, hydraulic disc brakes, and a standard cab with available air-conditioning. It has an open center hydraulic system with 2000 psi pressure and a rear hitch type III/IV. The 440 is equipped with 23.1-26 tires front and rear and weighs 20,230 lbs (9176 kg).