C12
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.
Power Range
340-490 bhp (254-366 bkW)
Speed Range
1800-2300 rpm
Emissions
IMO I, IMO II
Specification
Value
Power Range
340-490 bhp (254-366 bkW)
Specification
Value
Speed Range
1800-2300 rpm
Emissions
IMO I, IMO II
Aspiration
TA
Bore
5.1 in
Stroke
5.9 in
Displacement
732.0 in³
Rotation from Flywheel End
Counterclockwise
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Specification
Value
Width
38.1 in
Length
62.0 in
Dry Weight
2588.0 lb
Height
39.5 in
More control inputs and outputs, capacity for additional features, additional monitoring capabilities, expansion capability for future enhancements
Adjustment free control of engine speed, customer defined operating characteristics, protection and warning system, optional display systems available
The electronic control system has additional capacity for future enhancements to ensure a long useful engine life.
Provides a smoother passage for improved exhaust gas flow to the turbocharger which leads to more usable energy and lower exhaust temperatures.
The C12 has the same physical size, same footprint, and the same connection points as the 3196 engine as well the same optional attachments.
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).
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.
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.
Optional engine protection coverage for up to 60 months from date of delivery may be purchased through your local Caterpillar dealer.
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