C122024-02-29T04:54:08-06:00C12C12 Propulsion EngineCaterpillarCurrentAir Inlet SystemAftercooler - sea water; corrosion resistant, Air Cleaner/Fumes Disposal (closed system), Turbocharger, Jacket Water CooledControl SystemElectronic governing, Cold mode start strategy, Power compensation for fuel temperature, Programmable low idle, Electronic diagnostics and fault logging, Engine and transmission monitoring (speed, temperature, pressure), Fuel/air ratio control, Emergency stop switch (A&B ratings only)Cooling SystemThermostat and housing, Jacket water pump; gear driven, Sea water pump; rubber impeller; self-priming; gear-driven, Integral heat exhanger/expansion tank; removable tube bundle; replaceable copper-nickel tubes, Keel cooling - combined circuit (includes pipe thread flange kit)Exhaust SystemWatercooled Manifold & TurbochargerFlywheels & Flywheel HousingsFlywheel; SAE No. 1; 113 teeth, Flywheel housing; SAE No. 1 (10 degree slant pad), SAE standard rotationFuel SystemFuel filer; RH service on Port; LH service on Starboard, Fuel transfer pump, Fuel priming pump, Flexible fuel linesInstrumentationService meter, electricLube SystemCrankcase breather, Oil cooler, Oil filter; spin-on; RH service on Port; LH service on Starboard, Oil filler, Dipstick; RH service on Port; LH service on Starboard, Oil pump; gear drivenMounting SystemFront supportPower Take-OffsHydraulic pump drive; SAE A; 11 tooth spline, 57 ft-lbs max torque; counterclockwise as viewed from the rear of hte engine looking into the pump drive and turns 1.41 x engine speed, Crankshaft pulley; 345 mm (13.6 in) single groove; 15.88 mm (.63in) widthProtection SystemShutdown; electronic; 12 or 24 volt; energized to runGeneralVibration damper, Lifting eyes, RH or LH service options, Literature, Variable engine wiring, Upper rear-facing customer wiring connector and ECAP connection, Electronic installation kit (connectors, pins, sockets)Air Inlet SystemLow Profile Air Inlet Line, Shield (Air Inlet Line)Charging SystemCharging Alternators, Voltmeter Guages, Voltmeter Guage Mounting, Alternator Mounting GroupCooling SystemSea Water Pump, Coolant Recovery Tank, Flange KitExhaust SystemFlexible Fitting, Elbow, Dry Elbow, Watercooled Elbow, Exhaust Connection, Exhaust Outlet Pipe, EXH Outlet Flange, Rain Cap, MufflerFuel SystemFuel Cooler, Fuel Connections, Primary Fuel Filter, Primary Fuel/Water SeparatorInstrumentationOEM Wiring Harness, Engine to Engine Harness, Digital Tachometer, Tachometer Mounting, Magnetic Pickup, RH 4 Hole Instrument Panel, LH 4 Hole Instrument, Marine Power Display System, Marine Power Display Unit (for additional monitoring stations), Marine Power Display Bracket, Wiring Group, Transmission SensorsLube SystemManual sump pump, Transmission oil coolerMounting SystemVibration IsolatorsPower Take-OffsCrankshaft Pulley, Front Stub Shaft, Front Stub Shaft & PulleyStarting SystemAir Pressure Regulator, Air Start Silencer, Start Switch, Jacket Water Heater, Battery sets (24 volt - dry)GeneralWiring Harness Removal, Belt Guard - Alternator, Belt Guard - Alternator Pulley, Filter Cover KitPackingOverseas Preservation, Engine Protective Cover, Storage Preservation, Export PackingC12 Marine Propulsion Technical Information Linkhttps://h-cpc.cat.com/cmms/tip-widget?&m=c12&i=mar&d=a-rating%7cb-rating%7cc-rating&t=pe&f=4Engine-TIP-Widget1ADEM III Control SystemMore control inputs and outputs, capacity for additional features, additional monitoring capabilities, expansion capability for future enhancementsMost Advanced Electronic Control SystemAdjustment free control of engine speed, customer defined operating characteristics, protection and warning system, optional display systems availableFuture Enhancement CapabilityThe electronic control system has additional capacity for future enhancements to ensure a long useful engine life.Redesigned Exhaust ManifoldProvides a smoother passage for improved exhaust gas flow to the turbocharger which leads to more usable energy and lower exhaust temperatures.Easy Replacement for 3196The C12 has the same physical size, same footprint, and the same connection points as the 3196 engine as well the same optional attachments.Optional Monitoring SystemCaterpillar offers several “plug and play” monitoring systems which display everything from the basic engine operating parameters to engine load factor and trip totals. Ask your local Caterpillar dealer for additional information on our Marine Power Display (MPD), Marine Analog Power Display (MAPD), and our Engine Vision Display (EVD).Product SupportTrained technicians at over 1800 authorized service locations worldwide support Caterpillar products. Use our Internet Dealer Locator www.cat.com to identify the Caterpillar dealer location nearest to you.WarrantyC-12 Marine Propulsion engines used in commercial applications are covered for 12 months from the date of delivery to the end user. Engines used in non-revenue producing pleasure craft applications are covered for 24 months, unlimited hours, from the date of delivery. Concurrently, specific engine components are covered for 60 months, unlimited hours, from the date of delivery to the end user.Extended Service Coverage (ESC)Optional engine protection coverage for up to 60 months from date of delivery may be purchased through your local Caterpillar dealer.C12 Commercial Propulsion EnginesSpec Sheet - 669 mhp (492 bkW) @ 2300 rpmSpec Sheet - 669 mhp (492 bkW) @ 2300 rpm - CompactSpec Sheet - 715 mhp (526 bkW) @ 2300 rpmSpec Sheet - 715 mhp (526 bkW) @ 2300 rpm - CompactPower RatingPower Range340-490 bhp (254-366 bkW)Engine SpecificationsSpeed Range1800-2300 rpmEngine SpecificationsEmissionsIMO I, IMO IIEngine SpecificationsAspirationTAEngine SpecificationsBore5.1in130mmEngine SpecificationsStroke5.9in150mmEngine SpecificationsDisplacement732in³12lEngine SpecificationsRotation from Flywheel EndCounterclockwiseEngine SpecificationsConfigurationIn-line 6, 4-Stroke-Cycle DieselDimensions & WeightsWidth38.1in969mmDimensions & WeightsLength62in1574mmDimensions & WeightsDry Weight2588lb1174kgDimensions & WeightsHeight39.5in1005mmCat® C12 Diesel Marine Propulsion Engines, with ratings of 340-490 bhp (254-366 bkW) at 1800-2300 rpm, meet IMO II emission standards with the exception of the 497 mhp (490 bhp) rating at 2300 rpm which meets IMO I emissions standards. The C12 takes full advantage of the electronically controlled unit injection fuel system, resulting in an environmentally friendly engine with outstanding performance and fuel economy. There is also a wide range of optional equipment available to meet the needs of your marine commercial or pleasure craft application.Cat® C12 Diesel Marine Propulsion Engines, with ratings of 340-490 bhp (254-366 bkW) at 1800-2300 rpm, meet IMO II emission standards with the exception of the 497 mhp (490 bhp) rating at 2300 rpm which meets IMO I emissions standards. The C12 takes full advantage of the electronically controlled unit injection fuel system, resulting in an environmentally friendly engine with outstanding performance and fuel economy. There is also a wide range of optional equipment available to meet the needs of your marine commercial or pleasure craft application.Marine441464IMO Tier I Emission StandardsIMO Tier II Emission StandardsCatA-RATINGB-RATINGC-RATINGD-RATINGDieselMarineC12DredgeFerryFishingGeneral CargoGovernmentInland WaterwayOffshorePleasure CraftTug & Salvage2024-02-29T04:54:08-06:00