The Caterpillar Ten is an agricultural crawler tractor produced by Caterpillar from 1928 to 1932. Built in Peoria, Illinois, USA, a total of 4,929 units were made. It features a Caterpillar 2.3L 4-cylinder gasoline engine with a liquid-cooled vertical L-head design, producing estimated power of 15.6 hp. The tractor has a 3-speed gear transmission with 1 reverse, drum brakes, and an open operator station. It weighs 4420 lbs (2004 kg) and runs on 8-inch wide tracks. The Ten was designed for agricultural use and is part of a series including the Caterpillar Fifteen and 2-Ton models.