Marine Power Systems

Built for it.

Engine uptime is critical for you, your crew, your clients and your bottom line. That's why Cat and MaK 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.

Industry-leading technology allows Caterpillar to create the most reliable commercial engines for a variety of applications. From tugs and container vessels to yachts and sport fishers, Cat and MaK engines have demonstrated their efficiency countless times. With remarkable reliability and durability, these engines will exceed your expectations for decades.

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.

Model
Minimum Rating
Maximum Rating
Aspiration
 

Minimum Rating

404 BHP / 301 bkW

Maximum Rating

660 BHP / 492 bkW

Aspiration

TA, TTA

Minimum Rating

624 BHP / 465 bkW

Maximum Rating

803 BHP / 599 bkW

Aspiration

TA, TTA

Minimum Rating

2320 BHP / 1730 bkW

Maximum Rating

7268 BHP / 5420 bkW

Aspiration

TA

Minimum Rating

791 BHP / 590 bkW

Maximum Rating

1333 BHP / 994 bkW

Aspiration

TTA

Minimum Rating

1047 BHP / 781 bkW

Maximum Rating

1332 BHP / 994 bkW

Aspiration

Turbocharged-aftercooled

Minimum Rating

1047 BHP / 781 bkW

Maximum Rating

1333 BHP / 994 bkW

Aspiration

TTA

Minimum Rating

314 BHP / 234 bkW

Maximum Rating

1333 BHP / 994 bkW

Aspiration

Turbocharged-aftercooled aspiration

Minimum Rating

400 BHP / 298 bkW

Maximum Rating

1333 BHP / 994 bkW

Aspiration

Turbocharged-aftercooled

Aspiration

Turbocharged-aftercooled and turbo only aspiration (Turbocharged aspiration only for 65ekW (71bkW))

Aspiration

Turbocharged-aftercooled aspiration

Minimum Rating

292 BHP / 218 bkW

Maximum Rating

436 BHP / 325 bkW

Aspiration

TA

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.

Model
Power Range
Speed Range
Emissions
 

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

4640-6035 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

4640-5096 bhp (3460-3800 bkW)

Speed Range

900 rpm

Emissions

IMO II

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)

Emissions

U.S. EPA Tier 3 / IMO II emissions certified (commercial), RCD 2016 compliant, EU Stage IIIA compliant, CCNR Stage II through reciprocity with EU Stage IIIA

Power Range

375-476 bhp (280-355 bkW)

Speed Range

1800-2300 rpm

Emissions

EPA Tier 3 Commercial, IMO II, EU IW

Controls

Controls

Model
 

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.

Model
Power Range
Speed Range
Emissions
 

Power Range

1340-2366 bhp (1000-1765 bkW)

Speed Range

1600-1800 rpm

Emissions

EPA Tier 3, IMO II

Power Range

578-609 mhp (570-600 bhp)

Speed Range

2300 rpm

Emissions

IMO I

Power Range

660-705 bhp (492-526 bkW)

Speed Range

2300 rpm

Emissions

IMO II

Power Range

814-1015 mhp, 803-1001 bhp, 599-747 bkW

Speed Range

2100-2300 rpm

Emissions

EPA Tier 3, IMO II, EU Stage IIIA

Power Range

1015-1150 mhp, 1001-1136 bhp, 747-847 bkW

Speed Range

2300 rpm

Emissions

EPA Tier 3, IMO II, EU IW

Power Range

1600-1900 bhp (1193-1417 bkW)

Speed Range

2300 rpm

Emissions

EPA Tier 3, IMO II, EU IW

Power Range

2000-2400 bhp (1491-1790 bkW)

Speed Range

2300 rpm

Emissions

IMO II, U.S. EPA Tier 3

Power Range

2000 bhp (1491 bkW)

Speed Range

2300 rpm

Emissions

EPA Tier 3, IMO II

Power Range

298 bkW - 373 bkW (400 bhp - 500 bhp)

Speed Range

2900 rpm

Emissions

EPA Tier 3 Recreational, IMO II, RCD 2016

Marine Generator Sets

Cat marine generator sets are built to provide dependable, efficient service under extreme conditions. Our marine diesel generators 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.

Model
Minimum Rating
Maximum Rating
Frequency
 

Minimum Rating

1550 eKW (1937 kVA)

Maximum Rating

1700 eKW (2125 kVA)

Frequency

60 hz

Minimum Rating

10 ekW (10 kVA)

Maximum Rating

13 ekW (16.5 kVA)

Frequency

50 Hz or 60 Hz

Minimum Rating

260 ekW (325 kVA)

Maximum Rating

565 ekW (706 kVA)

Frequency

50 hz

Minimum Rating

16 ekW (16kVA)

Maximum Rating

27 ekW (27 kVA)

Frequency

50 Hz or 60 Hz

Minimum Rating

3520 ekW (4400 kVA)

Maximum Rating

3640 ekW (4550 kVA)

Frequency

50 Hz or 60 Hz

Minimum Rating

4700 ekW (5875 kVA)

Maximum Rating

4840 ekW (6050 kVA)

Frequency

50 Hz or 60 Hz

Minimum Rating

1760 ekW (2200 kVA)

Maximum Rating

1820 ekW (2275 kVA)

Frequency

50 Hz or 60 Hz

Minimum Rating

2350 ekW (2938 kVA)

Maximum Rating

2420 ekW (3025 kVA)

Frequency

50 Hz or 60 Hz

Minimum Rating

550 eKW (688 kVA)

Maximum Rating

940 ekW (1175 kVA)

Frequency

50 Hz or 60 Hz

Minimum Rating

730 ekW (913 kVA)

Maximum Rating

940 ekW (1175 kVA)

Frequency

60hz

Minimum Rating

219 ekW

Maximum Rating

940 ekW

Frequency

60hz

Minimum Rating

219 ekW

Maximum Rating

940 ekW

Frequency

60hz

Minimum Rating

282 ekW

Maximum Rating

940 ekW

Frequency

60hz

Minimum Rating

36.0R ekW (45 kVA)

Maximum Rating

99.0 ekW (123 kVA)

Frequency

50 Hz or 60 Hz

Minimum Rating

100 ekW (125 kVA)

Maximum Rating

200 ekW (250 kVA)

Frequency

50 Hz or 60 Hz

Minimum Rating

100 ekW (125 kVA)

Maximum Rating

200 ekW (250 kVA)

Frequency

50 Hz or 60 Hz

Minimum Rating

185R ekW (231 kVA) at 50hz, 224R ekW (280 kVA) at 60hz

Maximum Rating

250R ekW (313 kVA) at 50hz, 300 ekW (375 kVA) at 60hz

Frequency

50 Hertz & 60 Hertz