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

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    Caterpillar - C12 - Air Intake & Exhaust System
    HHP is ready to get your rig breathing right with a wide range of new and remanufactured aftermarket Exhaust Hardware Kits (complete with port sleeves), Exhaust Stud Kits, Exhaust Manifold Studs,...More Details »
    Caterpillar - C12 - Camshafts & Components
    Our ASE certified diesel doctors are ready diagnose your engine troubles, and prescribe the Diesel Camshaft and components you need to get back on the road. In fact, our wide range of new...More Details »
    Caterpillar - C12 - Crankshaft, Seals & Damper
    HHP is ready to get you back on the road with a wide range of diesel crankshafts, seals and dampers to fit your heavy-duty needs. Still confused on what parts you need, or maybe the torque...More Details »
    Caterpillar - C12 - Cylinder Head Components
    There isn't a sound more frightening than the loud clatter of a valve dropping and destroying everything it comes in contact with. HHP carries a wide range of valves, intake seats, exhaust...More Details »
    Caterpillar - C12 - Cylinder Kits & Components
    HHP is ready a with the parts you need! We carry a wide range of cylinder liners to fit nearly every application. We have sourced and vetted manufacturers and designers to ensure your parts are...More Details »
    Caterpillar - C12 - Fuel System
    Down on power? Rough idle? Hard starting even in warm weather? HHP is here to help get you back to running the way you should be. HHP offers a wide range of rebuilt diesel injectors, injector seal...More Details »
    Caterpillar - C12 - Gaskets & Gasket Sets
    Ever get a box with 20+ gaskets just thrown in it? Get two gaskets that look similar but not sure exactly which one goes where? HHP has solved this issue! On top of receiving premium quality...More Details »
    Caterpillar - C12 - Rebuild Kits
    Rebuilding your diesel engine is one of the most labor (and wallet) intensive repairs out there. Ensure your engine will last another million miles with a diesel Rebuild Kit from Highway and Heavy...More Details »
    Caterpillar - C12 - Turbocharger & Components
    The high pitched whine of a turbocharger is music to our ears. When we hear that turbo spooling we know that work is getting done. HHP is here to make sure your turbo is creating boost every time...More Details »