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C12 Propulsion Engine

Overview

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.

C12 Propulsion Engine - Specifications

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