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Marine Power Systems

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.

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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

C7.1
Caterpillar

C7.1

Power Range
280 bhp - 425 bhp (209 bkW - 317 bkW)
Application
Workboat
Speed Range
2300 - 2700 rpm
C9.3
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
C12
Caterpillar

C12

Power Range
340-490 bhp (254-366 bkW)
Speed Range
1800-2300 rpm
Emissions
IMO II, U.S. EPA T3
C18
Caterpillar

C18

Power Range
454 - 1136 bhp (339 - 847 bkW)
Application
Workboat
Speed Range
1500 - 2100 rpm
C32
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
C32B
Cat

C32B

Power Range
1200 - 1700 bhp (895 - 1268 bkW)
Application
Workboat
Speed Range
1600 - 2300 rpm
3406C
Caterpillar

3406C

Power Range
365-400 bhp (272-298 bkW)
Speed Range
1800 rpm
Emissions
Non-Certified
3512C
Caterpillar

3512C

Power Range
1281 - 2552 bhp
Application
Workboat
Speed Range
1200 - 1800 rpm
3512E
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
3516C
Caterpillar

3516C

Power Range
2000-3385 bhp (1492-2525 bkW)
Speed Range
1200-1800 rpm
Emissions
IMO II
3516E
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
C280-6
Caterpillar

C280-6

Power Range
2320-2722 bhp (1730-2030 bkW)
Application
Workboat
Speed Range
900-1000 rpm
C280-8
Caterpillar

C280-8

Power Range
3084-4023 bhp (2300-3000 bkW)
Application
Workboat
Speed Range
900 - 1000 rpm
C280-16
Caterpillar

C280-16

Power Range
6169-8046 bhp (4600-6000 bkW)
Application
Workboat
Speed Range
900-1000 rpm