The Oliver OC-12 is a powerful crawler tractor built for tough jobs. It has a tracked chassis, which helps it move well on rough ground. The tractor is powered by a 6-cylinder Hercules diesel engine that produces 57.93 horsepower. This engine size is about average compared to other tractors. The OC-12 has a 4-speed gear transmission with 2 reverse gears, giving it good control in different situations.
This tractor is quite heavy, weighing 11,259 pounds. It's 109.75 inches long, 58 inches wide, and 66.5 inches tall. The OC-12 has an open operator station, which means the driver sits outside without a cab. It has some nice features like an upholstered seat with springs for comfort and a 12-inch belt pulley for running other equipment. The tractor uses a 6-volt battery system for starting and has a special governor to control engine speed. Tests show it can pull very heavy loads, making it great for farm work or construction tasks.