Caterpillar Fifteen

The Caterpillar Fifteen is an agricultural crawler tractor produced from 1929 to 1933 by Caterpillar. It features a crawler drive with an open operator station and was available with two gasoline 4-cylinder liquid-cooled engines: a 3.6L (220 ci) engine used on the PV series and a smaller 2.3L (143 ci) engine used on the 7C version. The tractor has a 3-speed gear transmission with 1 reverse gear. It was equipped with 10-inch wide tracks and had a weight ranging from 4500 to 5500 pounds depending on the version. The Fifteen was rated at 15 hp drawbar power claimed, with tested drawbar power up to 21.79 hp. The original price was $1,100 in 1932.