Commercial Propulsion Engines

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Commercial Propulsion Engines 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

FEATURES AT A GLANCE

  • ADEM III Control System
  • Most Advanced Electronic Control System
  • Future Enhancement Capability
  • Redesigned Exhaust Manifold
  • Easy Replacement for 3196
  • Optional Monitoring System
  • Product Support
  • Warranty
  • Extended Service Coverage (ESC)
More control inputs and outputs, capacity for additional features, additional monitoring capabilities, expansion capability for future enhancements

PRODUCT SPECIFICATIONS FOR Commercial Propulsion Engines C12

Power Rating

Power Range 340-490 bhp (254-366 bkW)
Power Range
340-490 bhp (254-366 bkW)

Engine Specifications

Speed Range 1800-2300 rpm
Emissions IMO I, IMO II
Aspiration TA
Bore 130 mm
Stroke 150 mm
Displacement 12 l
Rotation from Flywheel End Counterclockwise
Configuration In-line 6, 4-Stroke-Cycle Diesel
Speed Range
1800-2300 rpm
Emissions
IMO I, IMO II
Aspiration
TA
Bore
130 mm
Stroke
150 mm
Displacement
12 l
Rotation from Flywheel End
Counterclockwise
Configuration
In-line 6, 4-Stroke-Cycle Diesel

Dimensions & Weights

Width 969 mm
Length 1574 mm
Dry Weight 1174 kg
Height 1005 mm
Width
969 mm
Length
1574 mm
Dry Weight
1174 kg
Height
1005 mm

SEE HOW CAT Commercial Propulsion Engines C12 COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.

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Power Range-375-476 bhp (280-355 bkW)

Speed Range-1800-2300 rpm

Emissions-EPA Tier 3 Commercial, IMO II, EU IW


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C280-12

Power Range-4640-5096 bhp (3460-3800 bkW)

Speed Range-900 rpm

Emissions-IMO II


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C32 ACERT Tier 3

Power Range-750-1800 bhp (559-1342 bkW)

Speed Range-1600-2300 rpm

Emissions-EPA Tier 3, IMO II, EU IW


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Commercial Propulsion Engines

C9.3 ACERT

Power Range-375-476 bhp (280-355 bkW)

Speed Range-1800-2300 rpm

Emissions-EPA Tier 3 Commercial, IMO II, EU IW


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Commercial Propulsion Engines

C280-12

Power Range-4640-5096 bhp (3460-3800 bkW)

Speed Range-900 rpm

Emissions-IMO II


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Commercial Propulsion Engines

C32 ACERT Tier 3

Power Range-750-1800 bhp (559-1342 bkW)

Speed Range-1600-2300 rpm

Emissions-EPA Tier 3, IMO II, EU IW


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