The Gibson A is a small farm tractor built by Gibson in Longmont, Colorado, USA. It features a Wisconsin AEH 0.4L 1-cylinder air-cooled gasoline engine producing 6 hp (4.5 kW). The tractor has a 3-speed gear transmission with 3 forward and 1 reverse gears. It is two-wheel drive with manual tiller steering and an open operator station. The tractor weighs 875 lbs (396 kg) and has a wheelbase of 42 inches (106 cm). It rides on 4.00x12 front tires and 7.50x16 rear tires and is rated for pulling 1 plow.