C12 Propulsion Engine
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.
Specifications
Equipment
Product Brochures
Units:
Power Rating
Power Range
340-490 bhp (254-366 bkW)
Engine Specifications
Speed Range
1800-2300 rpm
Emissions
IMO I, 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
Length
62 in
1574 mm
Dry Weight
2588 lb
1174 kg
Height
39.5 in
1005 mm
Standard Equipment
Air Inlet System
Control System
Cooling System
Exhaust System
Flywheels & Flywheel Housings
Fuel System
Instrumentation
Lube System
Mounting System
Power Take-Offs
Protection System
General