C12 ACERT

C12 ACERT™ High Performance Propulsion Engine

C12 ACERT High Performance

DESCRIPTION

Cat® C12 ACERT Diesel Marine Propulsion Engines, with ratings of 669-715 mhp (660-705 bhp) at 2300 rpm, meet IMO II 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 specific pleasure craft application.

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

  • Standard Equipment
  • Optional Equipment
  • Specs
  • Docs

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
  • 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)

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

Specs

Overview

Long Name:
C12 ACERT™ High Performance Propulsion Engine
Name:
C12 ACERT
Brand:
Caterpillar
Status:
Current

Ratings

Power Range
660-705 bhp (492-526 bkW)

Engine

Speed Range
2300 rpm
Emissions
IMO II
Aspiration
TA
Bore
5.1 in / 130 mm
Stroke
5.9 in / 150 mm
Displacement
732 in³ / 12 l
Rotation from Flywheel End
Counterclockwise
Configuration
In-line 6, 4-Stroke-Cycle Diesel

Dimensions & Weights

Width
38.1 in / 969 mm
Dry Weight
2588 lb / 1174 kg
Length
62 in / 1574 mm
Height
39.5 in / 1005 mm

SEE HOW C12 ACERT COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.

High Performance Propulsion and Maneuvering Solutions
C12 ACERT
C12 ACERT High Performance
Brand
Caterpillar
Status
Current
Power Range
660-705 bhp (492-526 bkW)
Speed Range
2300 rpm
Emissions
IMO II
Aspiration
TA
Bore
5.1 in / 130 mm
Stroke
5.9 in / 150 mm
Displacement
732 in³ / 12 l
Rotation from Flywheel End
Counterclockwise
Configuration
In-line 6, 4-Stroke-Cycle Diesel
High Performance Propulsion and Maneuvering Solutions
C12
C12 High Performance Propulsion Engines
Brand
Caterpillar
Status
Current
Power Range
578-609 mhp (570-600 bhp)
Speed Range
2300 rpm
Emissions
IMO I
Aspiration
TA
Bore
5.1 in / 130 mm
Stroke
5.9 in / 150 mm
Displacement
732 in³ / 12 l
Rotation from Flywheel End
Counterclockwise
Configuration
In-line 6, 4-Stroke-Cycle Diesel
High Performance Propulsion and Maneuvering Solutions
C18 ACERT Tier 3
C18 ACERT Tier 3
Brand
Caterpillar
Status
Current
Power Range
814-1015 mhp, 803-1001 bhp, 599-747 bkW
Speed Range
2100-2300 rpm
Emissions
EPA Tier 3, IMO II, EU Stage IIIA
Aspiration
TA,TTA
Bore
5.7 in / 145 mm
Stroke
7.2 in / 183 mm
Displacement
1106 in³ / 18.1 l
Rotation from Flywheel End
Counterclockwise
Configuration
In-line 6, 4-Stroke-Cycle Diesel