Commercial Propulsion Engines

Power Range

775-1100 bhp (578-820 bkW)

Speed Range

1200-1600 rpm

Emissions

IMO II, EU IW

Power Range

1280-2551 bhp (955-1902 bkW)

Speed Range

1200 rpm, 1600 rpm, 1800 rpm

Emissions

IMO II, EU IW

Power Range

1340-2366 bhp (1000-1765 bkW)

Speed Range

1600-1800 rpm

Emissions

EPA Tier 3, IMO II

Power Range

1341-2549 bhp (1000-1901 bkW)

Speed Range

1600-1800 rpm

Emissions

U.S. EPA Tier 4 Final, IMO III

Power Range

1650-3386 bhp (1230-2525 bkW)

Speed Range

1200-1800 rpm

Emissions

IMO II

Power Range

2131-2675 bhp (1590-1995 bkW)

Speed Range

1600 rpm

Emissions

EPA Tier 3, IMO II

Power Range

3755-4023 bhp (2800-3000 bkW)

Speed Range

1800 rpm

Emissions

IMO II

Power Range

2501-3386 bhp (1865-2525 bkW)

Speed Range

1600-1800 rpm

Emissions

U.S. EPA Tier 4 Final, IMO III

Power Range

340-490 bhp (254-366 bkW)

Speed Range

1800-2300 rpm

Emissions

IMO I, IMO II

Power Range

454-715 bhp (339-533 bkW)

Speed Range

1800-2100 rpm

Emissions

IMO II, EU IIIA

Power Range

469-1001 bhp (350-747 bkW)

Speed Range

1800-2300 rpm

Emissions

EPA Tier 3 Commercial, IMO II, EU IW

Power Range

4640-5096 bhp (3460-3800 bkW)

Speed Range

900 rpm

Emissions

IMO II

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)

Power Range

4962-5444 bhp (3700-4060 bkW)

Speed Range

1000 rpm

Emissions

EPA Tier 4, IMO II

Power Range

6169-7577 bhp (4600-5650 bkW)

Speed Range

900-1000 rpm

Emissions

IMO II

Power Range

2320-2722 bhp (1730-2030 bkW)

Speed Range

900-1000 rpm

Emissions

IMO II

Power Range

3084-3393 bhp (2300-2530 bkW)

Speed Range

900 rpm

Emissions

IMO II

Power Range

3299-3634 bhp (2460-2530 bkW)

Speed Range

1000 rpm

Emissions

EPA Tier 4, IMO III

Power Range

750-1800 bhp (559-1342 bkW)

Speed Range

1600-2300 rpm

Emissions

EPA Tier 3, IMO II, EU IW

Power Range

660-1450 bhp (492-1081 bkW)

Speed Range

1600-2300 rpm

Emissions

IMO II, EU IW

Power Range

660-1600 bhp (492-1193 bkW)

Speed Range

1600-2300 rpm

Emissions

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

Power Range

1000-1450 bhp (746-1081 bKW)

Speed Range

1600-2150 rpm

Emissions

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

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

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

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

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.

Power Range

775-1100 bhp (578-820 bkW)

Speed Range

1200-1600 rpm

Emissions

IMO II, EU IW

Power Range

1280-2551 bhp (955-1902 bkW)

Speed Range

1200 rpm, 1600 rpm, 1800 rpm

Emissions

IMO II, EU IW

Power Range

1340-2366 bhp (1000-1765 bkW)

Speed Range

1600-1800 rpm

Emissions

EPA Tier 3, IMO II

Power Range

1341-2549 bhp (1000-1901 bkW)

Speed Range

1600-1800 rpm

Emissions

U.S. EPA Tier 4 Final, IMO III

Power Range

1650-3386 bhp (1230-2525 bkW)

Speed Range

1200-1800 rpm

Emissions

IMO II

Power Range

2131-2675 bhp (1590-1995 bkW)

Speed Range

1600 rpm

Emissions

EPA Tier 3, IMO II

Power Range

3755-4023 bhp (2800-3000 bkW)

Speed Range

1800 rpm

Emissions

IMO II

Power Range

2501-3386 bhp (1865-2525 bkW)

Speed Range

1600-1800 rpm

Emissions

U.S. EPA Tier 4 Final, IMO III

Power Range

340-490 bhp (254-366 bkW)

Speed Range

1800-2300 rpm

Emissions

IMO I, IMO II

Power Range

454-715 bhp (339-533 bkW)

Speed Range

1800-2100 rpm

Emissions

IMO II, EU IIIA

Power Range

469-1001 bhp (350-747 bkW)

Speed Range

1800-2300 rpm

Emissions

EPA Tier 3 Commercial, IMO II, EU IW

Power Range

4640-5096 bhp (3460-3800 bkW)

Speed Range

900 rpm

Emissions

IMO II

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)

Power Range

4962-5444 bhp (3700-4060 bkW)

Speed Range

1000 rpm

Emissions

EPA Tier 4, IMO II

Power Range

6169-7577 bhp (4600-5650 bkW)

Speed Range

900-1000 rpm

Emissions

IMO II

Power Range

2320-2722 bhp (1730-2030 bkW)

Speed Range

900-1000 rpm

Emissions

IMO II

Power Range

3084-3393 bhp (2300-2530 bkW)

Speed Range

900 rpm

Emissions

IMO II

Power Range

3299-3634 bhp (2460-2530 bkW)

Speed Range

1000 rpm

Emissions

EPA Tier 4, IMO III

Power Range

750-1800 bhp (559-1342 bkW)

Speed Range

1600-2300 rpm

Emissions

EPA Tier 3, IMO II, EU IW

Power Range

660-1450 bhp (492-1081 bkW)

Speed Range

1600-2300 rpm

Emissions

IMO II, EU IW

Power Range

660-1600 bhp (492-1193 bkW)

Speed Range

1600-2300 rpm

Emissions

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

Power Range

1000-1450 bhp (746-1081 bKW)

Speed Range

1600-2150 rpm

Emissions

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

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

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