Engine uptime is critical for you, your crew, your clients and your bottom line. Industry-leading technology allows Caterpillar to create the most reliable commercial engines for a variety of applications. From tugs and container vessels to sport fishers, Cat marine engines have demonstrated their efficiency throughout the years. With remarkable reliability and durability, these engines will exceed your expectations for decades to come.

Showing 13–23 of 23 results

C280-6 Propulsion Engine

Commercial Propulsion Engines

Power Range

2320-2722 bhp (1730-2030 bkW)

Speed Range

900-1000 rpm

Emissions

IMO II

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C280-8 Marine Propulsion Engine (U.S. EPA Tier 4)

Commercial Propulsion Engines

Power Range

3299-3634 bhp (2460-2530 bkW)

Speed Range

1000 rpm

Emissions

EPA Tier 4, IMO III

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C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)

Commercial Propulsion Engines

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 Commercial Propulsion Engine

Commercial Propulsion Engines

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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Cat C18 ACERT Propulsion Engine (Tier 3)

Commercial Propulsion Engines

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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Cat C18 ACERT Propulsion Engine (IMO II)

Commercial Propulsion Engines

Power Range

454-715 bhp (339-533 bkW)

Speed Range

1800-2100 rpm

Emissions

IMO II, EU IIIA

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Cat C280-8 Propulsion Engine

Commercial Propulsion Engines

Power Range

3084-3393 bhp (2300-2530 bkW)

Speed Range

900 rpm

Emissions

IMO II

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Cat C32 ACERT Marine Propulsion Engine (EPA Tier 3)

Commercial Propulsion Engines

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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Cat C32 ACERT Propulsion Engine (IMO II)

Commercial Propulsion Engines

Power Range

660-1450 bhp (492-1081 bkW)

Speed Range

1600-2300 rpm

Emissions

IMO II, EU IW

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Cat C32 Propulsion Engine (US EPA Tier 3 / IMO II)

Commercial Propulsion Engines

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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Cat C32 Propulsion Engine (US EPA Tier 4 / IMO III)

Commercial Propulsion Engines

6 Brick Z-Flow - Length

3751 mm (147.7 in)

Power Range

1000-1450 bhp (746-1081 bKW)

Minimum Length

2130 mm (83.9 in)

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