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.
Equipment Type (4 items)
Models
Commercial Propulsion Engines
Long-term durability, high fuel efficiency, simplified service, and long-life-to-overhaul – CatĀ® marine engines provide maximum productivity with minimum outlay.
C7.1 Tier 3 / IMO II
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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 ACERT
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Power Range
375-476 bhp (280-355 bkW)
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Rated Engine Speed
1800, 2100, 2300 rpm
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Speed Range
1800, 2100, 2300 rpm
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 I, IMO II
C18 ACERT IMO II
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Power Range
454-715 bhp (339-533 bkW)
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Speed Range
1800-2100 rpm
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Emissions
IMO II, EU IIIA
C18 ACERT Tier 3
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Power Range
624 - 775 bhp
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Speed Range
1800 rpm
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Emissions
EPA Tier 3 Commercial, IMO II, EU IW
C32 IMO II
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Power Range
660-1450 bhp (492-1081 bkW)
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Speed Range
1600-2300 rpm
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Emissions
IMO II, EU IW
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
C32 ACERT Tier 3
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Power Range
750-1800 bhp (559-1342 bkW)
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Speed Range
1600-2300 rpm
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Emissions
EPA Tier 3, IMO II, EU IW
C32 Tier 3 / IMO II
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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 / IMO II emissions certified
C32 Tier 4 / IMO III
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6 Brick Z-Flow – Length
147.7 in
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Minimum Length
83.9 in
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Power Range
1000-1450 bhp (746-1081 bKW)
3512C IMO II
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Power Range
1280-2551 bhp (955-1902 bkW)
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Speed Range
1200 rpm, 1600 rpm, 1800 rpm
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Emissions
IMO II, EU IW
3512E Tier 4 / IMO III
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Power Range
1341-2549 bhp (1000-1901 bkW)
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Speed Range
1600-1800 rpm
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Emissions
U.S. EPA Tier 4 Final, IMO III
3516C IMO II
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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 Tier 4 / IMO III
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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 Final, IMO III
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
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Power Range
4640-5096 bhp (3460-3800 bkW)
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Speed Range
900 rpm
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Emissions
IMO II
C280-12
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Power Range
4640-5444 bhp (3460-4060 bkW)
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Speed Range
900-1000 rpm
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Emissions
IMO II, IMO III/EPA T4
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. CatĀ® 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 bhp - 500 bhp (298 bkW - 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
578-609 mhp (570-600 bhp)
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Speed Range
2300 rpm
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Emissions
IMO I
C12 ACERT
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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 II
C18 ACERT Tier 3
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Power Range
814-1015 mhp, 803-1001 bhp, 599-747 bkW
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Speed Range
2100-2300 rpm
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Emissions
EPA Tier 3, IMO II, EU Stage IIIA
C18 ACERT Tier 3 Recreational
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Power Range
1015-1150 mhp, 1001-1136 bhp, 747-847 bkW
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Speed Range
2300 rpm
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Emissions
EPA Tier 3, IMO II, EU IW
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. 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.
C4.4 (Electronic)
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Power Range
65/75/99/118 ekW @ 1800 rpm (60 Hz), 65/80/99 ekW @ 1500 rpm (50 Hz)
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Emissions
U.S. EPA Tier 3 certified, EU Stage V certified
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Configuration
In-line 4, 4-stroke-cycle diesel
C1.5
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Maximum Rating
12 ekW (12 kVA)
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Speed
1500 / 1800 rpm
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Emissions
U.S. EPA Tier 3
C2.2
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Maximum Rating
25 ekW (25 kVA)
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Rated Engine Speed
1500 / 1800 rpm
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Emissions
U.S. EPA Tier 3
C4.4
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Minimum Rating
36.0R ekW (45 kVA)
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Maximum Rating
99.0 ekW (123 kVA)
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Frequency
50 Hz or 60 Hz
C9.3 Marine Generator Set
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Speed
200 ekW - 300 ekW
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Rated Engine Speed
1,500, 1,800 rpm
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Emissions/Fuel Strategy
IMO II, IMO III, U.S. EPA Tier 3, China Stage II
C18 (SRMP) Marine Generator Set
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Minimum Rating
260 ekW (325 kVA)
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Maximum Rating
565 ekW (706 kVA)
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Frequency
50 hz
C32 ACERT IMO II
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Minimum Rating
550 eKW (688 kVA)
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Maximum Rating
940 ekW (1175 kVA)
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Frequency
50 Hz or 60 Hz
C32 ACERT Tier 3
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Minimum Rating
730 ekW (913 kVA)
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Maximum Rating
940 ekW (1175 kVA)
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Frequency
60hz
C32 Tier 3 / IMO II
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Minimum Rating
219 ekW
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Maximum Rating
940 ekW
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Frequency
60hz
C32 IMO III
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Minimum Rating
219 ekW
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Maximum Rating
940 ekW
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Frequency
60hz
3512C
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Minimum Rating
1550 eKW (1937 kVA)
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Maximum Rating
1700 eKW (2125 kVA)
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Frequency
60 hz
C280-6
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Minimum Rating
1760 ekW (2200 kVA)
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Maximum Rating
1820 ekW (2275 kVA)
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Frequency
50 Hz or 60 Hz
C280-8
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Minimum Rating
2350 ekW (2938 kVA)
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Maximum Rating
2420 ekW (3025 kVA)
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Frequency
50 Hz or 60 Hz
C280-12
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Minimum Rating
3520 ekW (4400 kVA)
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Maximum Rating
3640 ekW (4550 kVA)
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Frequency
50 Hz or 60 Hz
C280-16
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Minimum Rating
4700 ekW (5875 kVA)
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Maximum Rating
4840 ekW (6050 kVA)
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Frequency
50 Hz or 60 Hz
Auxiliary Engines
CatĀ® 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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Length
33.7 in
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Power Range
71/81/108/129 bkW @ 1800 rpm, 71/86/108 bkW @ 1500 rpm
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Configuration
In-line 4, 4-stroke-cycle diesel
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Height
40.9 in
C7.1 Tier 3 / IMO II
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Length
43.1 in
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Power Range
208 bkW (280 bhp) @ 2300 rpm
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Configuration
In-line 6, 4-stroke-cycle diesel
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Height
34.5 in
C9.3 Auxiliary Engine
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Power Range
292 bhp - 436 bhp (218 bkW - 325 bkW)
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Rated Engine Speed
1,500, 1,800 rpm
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Emissions
IMO II, IMO III, U.S. EPA Tier 3, China Stage II
C18 IMO II
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Power Range
404 - 660
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Minimum Rating
404 BHP
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Maximum Rating
660 BHP
C18 Tier 3
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Minimum Rating
624 BHP
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Maximum Rating
803 BHP
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Aspiration
TA, TTA
C32 IMO II
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Minimum Rating
791 BHP
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Maximum Rating
1333 BHP
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Aspiration
TTA
C32 Tier 3
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Minimum Rating
1047 BHP
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Maximum Rating
1333 BHP
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Aspiration
TTA
C32 Tier 3 / IMO II
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Minimum Rating
314 BHP
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Maximum Rating
1333 BHP
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Aspiration
Turbocharged-aftercooled aspiration
C32 IMO III
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Minimum Rating
1047 BHP
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Maximum Rating
1332 BHP
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Aspiration
Turbocharged-aftercooled
C32 Tier 4 / IMO III
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Minimum Rating
400 BHP
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Maximum Rating
1333 BHP
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Aspiration
Turbocharged-aftercooled
3512E
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Aspiration
TA
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Power Range
732-2399 bhp (546-1789 bkW)
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Emissions
U.S. EPA Tier 4 Final, IMO III
3516E
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Aspiration
TA
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Power Range
787-3175 bhp (587-2368 bkW)
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Emissions
U.S. EPA Tier 4 Final, IMO III
C280
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Minimum Rating
2320 BHP
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Maximum Rating
7268 BHP
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Aspiration
TA