Marine Commercial Propulsion Engines:
C12 Propulsion Engine
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- Power Range
- 340-490 bhp (254-366 bkW)
- Speed Range
- 1800-2300 rpm
- Emissions
- IMO I, IMO II
- Aspiration
- TA
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.
Product Specs
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Power Rating
- Power Range
- 340-490 bhp (254-366 bkW)
- Power Range
- 340-490 bhp (254-366 bkW)
-
Engine Specifications
- Speed Range
- 1800-2300 rpm
- Emissions
- IMO I, IMO II
- Aspiration
- TA
- Bore
- 5.1in
- Stroke
- 5.9in
- Displacement
- 732.0in3
- Configuration
- In-line 6, 4-Stroke-Cycle Diesel
- Rotation from Flywheel End
- Counterclockwise
- Speed Range
- 1800-2300 rpm
- Emissions
- IMO I, IMO II
- Aspiration
- TA
- Bore
- 5.1in
- Stroke
- 5.9in
- Displacement
- 732in³
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Dimensions & Weights
- Dry Weight
- 2588.0lb
- Width
- 38.1in
- Length
- 62in
- Height
- 39.5in
- Dry Weight
- 2588lb
- Width
- 38.1in
Equipment
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- Air Inlet System
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- Aftercooler - sea water; corrosion resistant, Air Cleaner/Fumes Disposal (closed system), Turbocharger, Jacket Water Cooled
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- Control System
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- Electronic 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)
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- Cooling System
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- Thermostat 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)
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- Exhaust System
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- Watercooled Manifold & Turbocharger
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- Flywheels & Flywheel Housings
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- Flywheel; SAE No. 1; 113 teeth, Flywheel housing; SAE No. 1 (10 degree slant pad), SAE standard rotation
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- Fuel System
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- Fuel filer; RH service on Port; LH service on Starboard, Fuel transfer pump, Fuel priming pump, Flexible fuel lines
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- Instrumentation
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- Service meter, electric
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- Lube System
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- Crankcase 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 driven
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- Mounting System
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- Front support
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- Power Take-offs
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- Hydraulic 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) width
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- Protection System
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- Shutdown; electronic; 12 or 24 volt; energized to run
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- General
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- Vibration 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)
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- Air Inlet System
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- Low Profile Air Inlet Line, Shield (Air Inlet Line)
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- Charging System
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- Charging Alternators, Voltmeter Guages, Voltmeter Guage Mounting, Alternator Mounting Group
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- Cooling System
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- Sea Water Pump, Coolant Recovery Tank, Flange Kit
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- Exhaust System
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- Flexible Fitting, Elbow, Dry Elbow, Watercooled Elbow, Exhaust Connection, Exhaust Outlet Pipe, EXH Outlet Flange, Rain Cap, Muffler
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- Fuel System
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- Fuel Cooler, Fuel Connections, Primary Fuel Filter, Primary Fuel/Water Separator
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- Instrumentation
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- OEM 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 Sensors
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- Lube System
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- Manual sump pump, Transmission oil cooler
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- Mounting System
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- Vibration Isolators
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- Power Take-offs
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- Crankshaft Pulley, Front Stub Shaft, Front Stub Shaft & Pulley
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- Starting System
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- Air Pressure Regulator, Air Start Silencer, Start Switch, Jacket Water Heater, Battery sets (24 volt - dry)
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- General
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- Wiring Harness Removal, Belt Guard - Alternator, Belt Guard - Alternator Pulley, Filter Cover Kit
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- Packing
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- Overseas Preservation, Engine Protective Cover, Storage Preservation, Export Packing