ATC Terratrac GT-30

The ATC Terratrac GT-30 is an agricultural crawler tractor produced from 1951 to 1954 by ATC in Churubusco, Indiana, USA. It features a Continental F140 2.3L 4-cylinder liquid-cooled gasoline engine with a 3-speed unsynchronized gear transmission. The tractor has a drawbar power of 24 hp (claimed) and 25.16 hp (tested), and a belt power of 30 hp (claimed) and 30.41 hp (tested). It uses a crawler drive with manual steering and mechanical contracting band brakes. The GT-30 has a rear PTO type of 540 RPM at 1622 engine RPM. Dimensions include a length of 96 inches, width of 50 inches (minimum at 42-inch gauge), and height of 51 inches at the hood. It weighs between 3400 and 4471 pounds depending on configuration. The tractor runs on 10-inch wide tracks with a length on ground of 53 inches and an area on ground of 1060 in². The belt pulley diameter is 8.5 inches with a width of 6.5 inches and runs at 1192 RPM.