The Avery Track Runner is a half-track crawler tractor produced by Avery from 1922 to 1925. It features a 4-cylinder, liquid-cooled gasoline engine with a displacement of 4.5 liters. The tractor has a 2-speed gear transmission with 2 forward and 1 reverse gears. It is designed with a half-track drive and an open operator station. The Track Runner can pull 3 to 4 14-inch plows. It weighs 5000 lbs and has dimensions of 108 inches in length, 48 inches in width, and 58 inches in height. The tractor uses tracks for rear tires and includes a belt pulley with a diameter of 12 inches and width of 8.5 inches running at 1100 RPM.