C12 High Performance Propulsion Engine

C12 High Performance Propulsion Engine

Power Range 660-705 bhp (492-526 bkW)
Emissions IMO II
Bore 5 in
Stroke 6 in
Displacement 732 in3
Dry Weight 2,588 lb
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Ratings
Power Range 660-705 bhp (492-526 bkW)
Power Range 340 - 705 bhp (254 - 526 bkW)
Engine
Emissions IMO II
Bore 5 in
Stroke 6 in
Displacement 732 in3
Speed Range 1800 - 2300 rpm
Configuration In-line 6, 4-Stroke-Cycle Diesel
Aspiration TA
Rotation from Flywheel End Counterclockwise
Emissions IMO I, IMO II
Bore 5 in
Stroke 6 in
Displacement 732 in³
Dimensions & Weights
Dry Weight 2,588 lb
Length 62 in
Height 40 in
Width 38 in
Dry Weight 2,588 lb
Height 40 in
Length 62 in
Width 38 in

Less visible white or black smoke

Lower compression ratio, resulting in less steady state smoke

Improved transient response

Standard Caterpillar warranty

Parts and service support from worldwide dealer organization

  • Air Inlet System
    • Aftercooler - sea water; corrosion resistant, Air Cleaner/Fumes Disposal (closed system), Turbocharger, Jacket Water Cooled
  • Control System
    • 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)
  • Cooling System
    • 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)
  • Exhaust System
    • Watercooled Manifold & Turbocharger
  • Flywheels & Flywheel Housings
    • Flywheel; SAE No. 1; 113 teeth, Flywheel housing; SAE No. 1 (10 degree slant pad), SAE standard rotation
  • Fuel System
    • Fuel filer; RH service on Port; LH service on Starboard, Fuel transfer pump, Fuel priming pump, Flexible fuel lines
  • Lube System
    • 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
  • Mounting System
    • Front support
  • Power Take-offs
    • 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
  • Protection System
    • Shutdown; electronic; 12 or 24 volt; energized to run
  • General
    • 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)
  • Air Inlet System
    • Low Profile Air Inlet Line, Shield (Air Inlet Line)
  • Charging System
    • Charging Alternators, Voltmeter Guages, Voltmeter Guage Mounting, Alternator Mounting Group
  • Cooling System
    • Sea Water Pump, Coolant Recovery Tank, Flange Kit
  • Exhaust System
    • Flexible Fitting, Elbow, Dry Elbow, Watercooled Elbow, Exhaust Connection, Exhaust Outlet Pipe, EXH Outlet Flange, Rain Cap, Muffler
  • Fuel System
    • Fuel Cooler, Fuel Connections, Primary Fuel Filter, Primary Fuel/Water Separator
  • Instrumentation
    • 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
  • Lube System
    • Manual sump pump, Transmission oil cooler
  • Mounting System
    • Vibration Isolators
  • Power Take-offs
    • Crankshaft Pulley, Front Stub Shaft, Front Stub Shaft & Pulley
  • Starting System
    • Air Pressure Regulator, Air Start Silencer, Start Switch, Jacket Water Heater, Battery sets (24 volt - dry)
  • General
    • Wiring Harness Removal, Belt Guard - Alternator, Belt Guard - Alternator Pulley, Filter Cover Kit
  • Packing
    • Overseas Preservation, Engine Protective Cover, Storage Preservation, Export Packing
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