The Leader B is a utility tractor produced from 1945 to 1946 by Leader Tractor Company in Auburn, Ohio, USA. It features a Hercules IXB 2.2L 4-cylinder liquid-cooled gasoline engine producing 31 hp (23.1 kW). The tractor has a 3-speed gear transmission with mechanical dry disc clutch and two-wheel drive with chain final drives. It includes a rear PTO with 540 rpm. The Leader B is equipped with manual steering, mechanical contracting band brakes, and an open operator station. Dimensions include a 70-inch wheelbase, 111-inch length, 61-inch height, and a weight of 2500 lbs (1134 kg). It rides on 5x15 front and 9x24 rear tires and has a belt pulley diameter of 7 inches running at 1510 RPM.