Highway and Heavy Parts - C12

Caterpillar - C12
Caterpillar C12 Specifications

  • 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve engine
  • Cylinder bore: 5.1 mm, Stroke: 5.9 mm
  • Turbocharged and gear rotation from flywheel end is counterclockwise.
  • This engine is air and liquid cooled. Cooling System: Holds 2.7 gallons of coolant.
  • The lubricating oil system: Holds up to 9.4 gallons of oil.
  • The battery has an electrical backup, as well as a self-diagnostic system.

  • Performance Data
  • Operating range: 1,200 and 2,100 rpm maximum engine rpm: 2,100 rpm
  • The maximum advertised horsepower (kW) 430 but the engine is capable of achieving 445 hp at 1,600 rpm
  • Governed speed (governor programmed to shut off if this speed is surpassed): 2,100 rpm
  • Peak torque: 1550 lb-ft 2102, Peak torque rpm: 1200, Torque Rise: 51%
  • Altitude capability: 7500 ft
  • Maximum recommended engine speed at cruise is 1,700 rpm.
  • Minimum recommended engine speed at 55 mph cruise speed is 1,400 rpm.

  • Dimensions etc.
  • Alternator: Output rating of 12 volts and 105 amps.
  • Dry charge coolant conditioner, a fan-drive mounting bracket, front engine supports, and a lubricating oil filter.
  • The C12 is 50.6 inches long, 35.68 inches wide, stands 41.85 inches tall and weighs 2,070 lb.

  • Please select from our Caterpillar C12 product categories below

    Select a Sub-Category

    View