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.
Products
Caterpillar
C7.1
Power Range
280 bhp - 425 bhp (209 bkW - 317 bkW)
Application
Workboat
Speed Range
2300 - 2700 rpm
Caterpillar
C9.3
Power Range
375-476 bhp (280 - 355 bkW)
Speed Range
1800 - 2300 rpm
Emissions
IMO II, U.S. EPA Tier 3, China Stage II
Caterpillar
C12
Power Range
340-490 bhp (254-366 bkW)
Speed Range
1800-2300 rpm
Emissions
IMO II, U.S. EPA T3
Caterpillar
C18
Power Range
454 - 1136 bhp (339 - 847 bkW)
Application
Workboat
Speed Range
1500 - 2100 rpm
Caterpillar
C32
Power Range
660 - 1600 bhp (492 - 1193 bkW)
Speed Range
1600 - 2300 rpm
Emissions
U.S. EPA Tier 3/ Tier 4, IMO II/III, EU Stage V
Cat
C32B
Power Range
1200 - 1700 bhp (895 - 1268 bkW)
Application
Workboat
Speed Range
1600 - 2300 rpm
Caterpillar
3406C
Power Range
365-400 bhp (272-298 bkW)
Speed Range
1800 rpm
Emissions
Non-Certified
Caterpillar
3512C
Power Range
1281 - 2552 bhp
Application
Workboat
Speed Range
1200 - 1800 rpm
Caterpillar
3512E
Power Range
1341-2550 bhp (1000-1902 bkW)
Speed Range
1600 - 1800 rpm
Emissions
U.S. EPA Tier 4, IMO II/III, EU Stage V
Caterpillar
3516C
Power Range
2000-3385 bhp (1492-2525 bkW)
Speed Range
1200-1800 rpm
Emissions
IMO II
Caterpillar
3516E
Power Range
2501-3386 bhp (1865-2525 bkW)
Speed Range
1600 - 1800 rpm
Emissions
U.S. EPA Tier 4, IMO II, IMO III, IMO II/III switchable