The Cletrac AG-6 is an agricultural crawler tractor produced from 1944 to 1957 by Cletrac, a part of Oliver. It features a Continental F226 3.7L 6-cylinder gasoline engine with liquid cooling, producing an estimated 43.1 hp. The tractor has a 3-speed gear transmission with dry disc clutch, crawler drive, and wet band brakes with differential steering. It has an open operator station and a rear PTO rated at 540 rpm. Dimensions include a 62-inch wheelbase, 103.5-inch length, 54-inch height, and a shipping weight of 7086 lbs. The tractor runs on 12-inch wide tracks and has a belt pulley diameter of 10.5 inches. Electrical system includes a Delco-Remy generator and a 6-volt battery. It is capable of pulling 3 14-inch plows.