CO-OP 1

The CO-OP 1 is a row-crop tractor built by Duplex Machinery and distributed by CO-OP from 1937 to 1938. It was built in Battle Creek, Michigan, USA, and originally sold for $1,000 in 1937. The tractor features a Waukesha 2.2L 4-cylinder liquid-cooled gasoline engine, a gear transmission, and two-wheel drive with manual steering. It has an open operator station and a continuous rear PTO with a 540 rpm type. The CO-OP 1 was available in several variants including three-wheel and four-wheel tricycle styles, as well as row-crop and orchard wide-front configurations. It weighs 3300 lbs (1496 kg) and has dimensions of approximately 124 inches in length, 75 inches in width, and 55 inches in height. Tires vary by configuration, with front tires ranging from 5.50x16 to 7.50x16 and rear tires from 9.00x28 to 11.25x24 orchard types. The tractor can pull one 14-inch plow and includes a belt pulley 16 inches in diameter and 7 inches wide.