Marine Power Systems
Engine uptime is critical for you, your crew, your clients and your bottom line. That’s why Cat propulsion engines power your vessel to any port. The industry’s largest range of engines provide the reliability you need. Caterpillar Marine ensure that you have an engine on board that will work as hard as you do. Select from our wide range of Commercial Propulsion Engines, High Performance Propulsion Engines, Marine Generators, and Auxiliary Engines.
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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.
C7.1
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Power Range
280 bhp - 425 bhp (209 bkW - 317 bkW)
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Speed Range
2300 - 2700 rpm
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Emissions
U.S. EPA Tier 3, IMO II, RCD II, China II
C9.3
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Power Range
375-476 bhp (280 - 355 bkW)
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Speed Range
1800 - 2300 rpm
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Emissions
IMO II, U.S. EPA Tier 3, China Stage II
C12
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Power Range
340-490 bhp (254-366 bkW)
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Speed Range
1800-2300 rpm
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Emissions
IMO II
C18
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Power Range
454 - 1136 bhp (339 - 847 bkW)
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Speed Range
1500 - 2100 rpm
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Emissions
U.S. EPA Tier 3 Commercial, IMO II, EU IWW, EU Stage V, China II
C32
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Power Range
660 - 1600 bhp (492 - 1193 bkW)
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Speed Range
1600 - 2300 rpm
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Emissions
U.S. EPA Tier 3/ Tier 4, IMO II/III, EU Stage V
3406C
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Power Range
365-400 bhp (272-298 bkW)
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Speed Range
1800 rpm
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Emissions
Non-Certified
3512C
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Power Range
1281 - 2552 bhp
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Speed Range
1200 - 1800 rpm
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Emissions
IMO II, China Stage II
3516C
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Power Range
2000-3385 bhp (1492-2525 bkW)
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Speed Range
1200-1800 rpm
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Emissions
IMO II
3516E
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Power Range
2501-3386 bhp (1865-2525 bkW)
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Speed Range
1600 - 1800 rpm
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Emissions
U.S. EPA Tier 4, IMO III
3512E
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Power Range
1341-2550 bhp (1000-1902 bkW)
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Speed Range
1600 - 1800 rpm
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Emissions
U.S. EPA Tier 4, IMO II/III, EU Stage 5
C280-6
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Power Range
2320-2722 bhp (1730-2030 bkW)
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Speed Range
900-1000 rpm
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Emissions
IMO II
C280-8
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Power Range
3084-4023 bhp (2300-3000 bkW)
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Speed Range
900 - 1000 rpm
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Emissions
IMO II, IMO III/EPA Tier 4
C280-12 Tier 4/ IMO III
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Power Range
4962-5444 bhp (3700-4060 bkW)
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Speed Range
1000 rpm
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Emissions
EPA Tier 4, IMO II
C280-16
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Power Range
6169-8046 bhp (4600-6000 bkW)
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Speed Range
900-1000 rpm
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Emissions
IMO II
High Performance Propulsion and Maneuvering Solutions
With power requirements like never before, the success of every vessel depends on efficient, dependable, and powerful marine engine. Cat® engines satisfy worldwide emissions regulations and still deliver a surge of adrenaline whenever and wherever required.
C7.1
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Power Range
400 - 500 bhp (298 - 373 bkW)
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Speed Range
2900 rpm
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Emissions
IMO II, U.S. EPA Tier 3, RCD II, China II
C12
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Power Range
340 - 705 bhp (254 - 526 bkW)
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Speed Range
1800 - 2300 rpm
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Emissions
IMO I, IMO II
C18
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Power Range
803 - 1136 bhp, 599 - 847 bkW
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Speed Range
2300 rpm
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Emissions
EPA Tier 3, IMO II
C32
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Power Range
1600-1900 bhp (1193-1417 bkW)
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Speed Range
2300 rpm
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Emissions
IMO II, U.S. EPA Tier 3 Recreational, RCD, China Stage II
3512C HD
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Power Range
1340-2366 bhp (1000-1765 bkW)
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Speed Range
1600-1800 rpm
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Emissions
EPA Tier 3, IMO II
Marine Generator Sets
Cat marine generator sets are built to provide dependable, efficient service under extreme conditions. They combine proven designs and manufacturing methods with the latest technology, such as advanced control, to deliver more power and greater efficiency, while offering enhanced monitoring.
C1.5
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Power Range
10 - 12 ekW
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Frequency
50 / 60
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Emissions
U.S. EPA Tier 3
C2.2
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Power Range
15 - 25 ekW
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Frequency
50 / 60
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Emissions
U.S. EPA Tier 3
C4.4
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Power Range
36.0R - 99 ekW
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Frequency
50 / 60
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Emissions
NST
C4.4 (Electronic)
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Power Range
58.0R - 118 ekW
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Frequency
50 / 60
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Emissions
U.S. EPA Tier 3, EU Stage V
C9.3 Marine Generator Set
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Power Range
200 - 300 ekW
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Frequency
50 / 60
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Emissions/Fuel Strategy
IMO II, IMO III, U.S. EPA Tier 3, China Stage II
C18
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Power Range
260 - 565 ekW
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Frequency
50 / 60
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Emissions
EPA Tier 3, IMO II, EU IWW, EU Stage V, China II
C32
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Power Range
550 - 940 ekW
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Frequency
50 / 60
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Emissions/Fuel Strategy
EPA Tier 4, IMO II/IMO III switchable and EU Stage 5
3512C
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Power Range
1550 - 1700 ekW
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Frequency
60 hz
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Emissions
IMO II
C280-6
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Power Range
1720 - 1820 ekW
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Frequency
50 / 60 Hz
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Emissions/Fuel Strategy
U.S. EPA Tier 2, IMO II
C280-8
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Power Range
2200 - 2600 ekW
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Frequency
50 / 60
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Emissions/Fuel Strategy
EPA Tier 2, IMO II
C280-12
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Power Range
3640 - 3520 ekW
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Frequency
50 Hz or 60 Hz
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Emissions
EPA Tier 2, IMO II
C280-16
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Power Range
4700 - 4840 ekW
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Frequency
50 / 60
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Emissions
EPA Tier 2, IMO II
Auxiliary Engines
Cat® marine auxiliary engines are the solution for unique generator set applications requiring a custom approach. Additionally, the are perfectly engineered for electrically driven pumps, winches, conveyors and thrusters.
C4.4 (Electronic)
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Power Range
71 - 129 bkW
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Frequency
50 / 60
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Emissions
U.S. EPA Tier 3, EU Stage V, China II
C7.1 (Electronic)
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Power Range
109 - 218 bkW
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Frequency
50 / 60
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Emissions
U.S. EPA Tier 3, IMO II, EU Stage V, China II
C9.3 Auxiliary Engine
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Power Range
218 bkW - 325 bkW
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Frequency
50 / 60
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Emissions
IMO II, IMO III, U.S. EPA Tier 3, China Stage II
C18
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Power Range
404 - 803 hp
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Frequency
50 / 60
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Emissions
IMO II/III, EPA T 3, EU IWW, EU Stage V, China II
C32
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Power Range
781 - 1047
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Frequency
50 / 60
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Emissions
IMO II, IMO III U.S. EPA T4, EU Stage V and China-II
3512E
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Power Range
1263 - 1789 bkW
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Frequency
50 / 60
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Emissions
U.S. EPA Tier 4, IMO II/III
3516E
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Power Range
1921 - 2368 bkW
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Frequency
50 / 60
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Emissions
U.S. EPA Tier 4, IMO II/III
C280
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Power Range
1730 - 5420 bkW
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Frequency
50 / 60
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Emissions
U.S. EPA Tier 4
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