Menu
Contact
Locations
Search
New Marine Power Systems

C12

Request A Quote
Select Units

Overview

Cat® C12 Diesel Marine Propulsion Engines, with ratings of 578-609 mhp (570-600 bhp) at 2300 rpm, meet IMO I emission 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.

Ratings

  • Power Range 578-609 mhp (570-600 bhp) 578-609 mhp (570-600 bhp)

Engine

  • Speed Range 2300 rpm 2300 rpm
  • Emissions IMO I IMO I
  • Aspiration TA TA
  • Bore 5.1 in 130.0 mm
  • Stroke 5.9 in 150.0 mm
  • Displacement 732.0 in³ 12.0 l
  • Rotation from Flywheel End Counterclockwise Counterclockwise
  • Configuration In-line 6, 4-Stroke-Cycle Diesel In-line 6, 4-Stroke-Cycle Diesel

Dimensions & Weights

  • Dry Weight 2588.0 lb 1174.0 kg
  • Height 39.5 in 1005.0 mm
  • Length 62.0 in 1574.0 mm
  • Width 38.1 in 969.0 mm

ADEM III Control System

More control inputs and outputs, capacity for additional features, additional monitoring capabilities, expansion capability for future enhancements

Most Advanced Electronic Control System

Adjustment free control of engine speed, customer defined operating characteristics, protection and warning system, optional display systems available

Future Enhancement Capability

The electronic control system has additional capacity for future enhancements to ensure a long useful engine life

Redesigned Exhaust Manifold

Provides a smoother passage for improved exhaust gas flow to the turbocharger which leads to more usable energy and lower exhaust temperatures.

Easy Replacement for 3196

The 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 System

Caterpillar 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 Support

Trained 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.

Warranty

C-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 Standard Equipment

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

Instrumentation

  • Service meter, electric

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)

C12 Optional Equipment

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

Customer Stories

Discover what’s new and how customers like you are benefiting from our products and services. Check back often for updates.

Promotions

Looking for that perfect piece of used equipment to complement your fleet? Check out our Used Exclusives, featuring new machines every week!

Social

Let’s talk. Connect with us on one of our social channels to start the conversation and see what we’re up to.

Branch Locator

Looking for your nearest branch? Get in touch with us today by contacting one of our branches directly. We’re always ready to help.

Services

When you choose Finning, you have a wide array of support and specialty services to help you get the most from your equipment.

Technology

Integrated technology can help you understand your equipment's output and help extend its lifespan.

Finance

Choose from a range of financing solutions that allow you to purchase equipment, parts, services, and technology when you need it.

Please share your feedback on Finning.com!

Close window

We are committed to providing you with the best site experience possible.  Please take our brief survey to tell us how we are doing.

Thank you in advance for your time!