A Cat C15 industrial diesel engine produces 475 to 595 brake horsepower and is rated at 1,800 to 2,100 rpm. The engine, which is powered by an inline six, four-stroke-cycle diesel configuration with a displacement capacity of 16.2 liters, is able to compress at a rate of 17.0:1. The combustion system uses direct injection.
The engine features a turbocharged, aftercooled aspiration system. The cooling systems have a liquid capacity of 26.9 liters and feature vertical outlet thermostat housing and a centrifugal water pump. The lube systems, which have a capacity of 38 to 72 liters, an open crankcase ventilation with fume disposal, an oil cooler, an oil filler and lube oil filter, an oil dipstick and a gear-driven oil pump. The engine can accommodate B20 biofuel.
The basic engine weighs approximately 3,395 pounds. It is 48.3 inches tall with a width of 36.5 inches and a length of 54.2 inches. Optional attachments may alter the weight and the dimensions. Cat C15 complies with the Tier 4 final nonroad requirements of the U.S. Environmental Protection Agency. The engine has a B10 life of 10,000 hours. The engine can accommodate a broad range of factory-configurable options for agricultural, material handling, construction, mining and aircraft ground support, as well as other industrial applications.