The Knudson 4400 is a four-wheel drive (4WD) farm tractor produced from 1981 to 1983. It features a powerful Cummins 14.0L 6-cylinder liquid-cooled diesel engine delivering 400 hp (298.3 kW). The tractor is equipped with a 12-speed power shift transmission manufactured by Twin Disc, providing 12 forward and 2 reverse gears. It has 4x4 drive with power four-wheel steering and a standard cab. Built in Holdrege, Nebraska, USA, the 4400 is part of the Knudson 4WD tractor series including the 4360 model.
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