The J.I. Case Terratrac 800 is an industrial crawler tractor produced from 1957 to 1959. It features a Continental 4.5L 4-cylinder liquid-cooled diesel engine delivering 80 hp gross and 72 hp net power. The tractor has a 4-speed transmission with 4 forward and reverse gears and a crawler drive with an open operator station. It was built in Churubusco, Indiana, USA. Variants include the 800 industrial crawler and the 810 agricultural crawler.