Commercial Propulsion Engines

Long-term durability, high fuel efficiency, simplified service, and long-life-to-overhaul - Cat® marine engines provide maximum productivity with minimum outlay.

Model

Power Range

Speed Range

Emissions

3508C

Power Range

775-1100 bhp (578-820 bkW)

Speed Range

1200-1600 rpm

Emissions

IMO II, EU IW

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3512C IMO II

Power Range

1280-2551 bhp (955-1902 bkW)

Speed Range

1200 rpm, 1600 rpm, 1800 rpm

Emissions

IMO II, EU IW

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3512C Tier 3

Power Range

1340-2366 bhp (1000-1765 bkW)

Speed Range

1600-1800 rpm

Emissions

EPA Tier 3, IMO II

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3512E Tier 4 / IMO III

Power Range

1341-2549 bhp (1000-1901 bkW)

Speed Range

1600-1800 rpm

Emissions

U.S. EPA Tier 4 Final, IMO III

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3516C IMO II

Power Range

1650-3386 bhp (1230-2525 bkW)

Speed Range

1200-1800 rpm

Emissions

IMO II

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3516C Tier 3

Power Range

2131-2675 bhp (1590-1995 bkW)

Speed Range

1600 rpm

Emissions

EPA Tier 3, IMO II

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3516E

Power Range

3755-4023 bhp (2800-3000 bkW)

Speed Range

1800 rpm

Emissions

IMO II

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3516E Tier 4 / IMO III

Power Range

2501-3386 bhp (1865-2525 bkW)

Speed Range

1600-1800 rpm

Emissions

U.S. EPA Tier 4 Final, IMO III

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C12

Power Range

340-490 bhp (254-366 bkW)

Speed Range

1800-2300 rpm

Emissions

IMO I, IMO II

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C18 ACERT IMO II

Power Range

454-715 bhp (339-533 bkW)

Speed Range

1800-2100 rpm

Emissions

IMO II, EU IIIA

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C18 ACERT Tier 3

Power Range

469-1001 bhp (350-747 bkW)

Speed Range

1800-2300 rpm

Emissions

EPA Tier 3 Commercial, IMO II, EU IW

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C280-12

Power Range

4640-6035 bhp (3460-4500 bkW)

Speed Range

900 / 1,000 rpm

Emissions

IMO II U.S. EPA Tier 4, IMO III (Cat SCR required)

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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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C280-12 Tier 4/ IMO III

Power Range

4962-5444 bhp (3700-4060 bkW)

Speed Range

1000 rpm

Emissions

EPA Tier 4, IMO II

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C280-16

Power Range

6169-7577 bhp (4600-5650 bkW)

Speed Range

900-1000 rpm

Emissions

IMO II

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C280-6

Power Range

2320-2722 bhp (1730-2030 bkW)

Speed Range

900-1000 rpm

Emissions

IMO II

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C280-8

Power Range

3084-3393 bhp (2300-2530 bkW)

Speed Range

900 rpm

Emissions

IMO II

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C280-8 Tier 4/ IMO III

Power Range

3299-3634 bhp (2460-2530 bkW)

Speed Range

1000 rpm

Emissions

EPA Tier 4, IMO III

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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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C32 IMO II

Power Range

660-1450 bhp (492-1081 bkW)

Speed Range

1600-2300 rpm

Emissions

IMO II, EU IW

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C32 Tier 3 / IMO II

Power Range

660-1600 bhp (492-1193 bkW)

Speed Range

1600-2300 rpm

Emissions

U.S. EPA Tier 3 / IMO II emissions certified

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C32 Tier 4 / IMO III

Power Range

1000-1450 bhp (746-1081 bKW)

Speed Range

1600-2150 rpm

Emissions

U.S. EPA Tier 4 Final certifiedIMO III emissions certified(SCR required)

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C7.1 Tier 3 / IMO II

Power Range

280 bhp - 425 bhp (209 bkW - 317 bkW)

Speed Range

2300 - 2700 rpm

Emissions

U.S. EPA Tier 3, IMO II, RCD II, China II

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C9.3 ACERT

Power Range

375-476 bhp (280-355 bkW)

Speed Range

1800, 2100, 2300 rpm

Emissions

IMO II, U.S. EPA Tier 3, China Stage II

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Commercial Propulsion Engines