Marine Power Systems

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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.

Equipment Type (4 items)

Commercial Propulsion Engines

High Performance Propulsion and Maneuvering Solutions

Marine Generator Sets

Auxiliary Engines

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 Tier 3 / IMO II

Length
43.1 in
Height
35.1 in
Configuration
In-line 6, 4-stroke-cycle diesel
Minimum Width
31.4 in

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C9.3 ACERT

Power Range
375-476 bhp (280-355 bkW)
Speed Range
1800-2300 rpm
Emissions
EPA Tier 3 Commercial, IMO II, EU IW

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C12

Power Range
340-490 bhp (254-366 bkW)
Speed Range
1800-2300 rpm
Emissions
IMO I, IMO II

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C18 ACERT IMO II

Power Range
454-715 bhp (339-533 bkW)
Speed Range
1800-2100 rpm
Emissions
IMO II, EU IIIA

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C18 ACERT Tier 3

Power Range
469-1001 bhp (350-747 bkW)
Speed Range
1800-2300 rpm
Emissions
EPA Tier 3 Commercial, IMO II, EU IW

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C32 IMO II

C32 ACERT IMO II Commercial Propulsion Engines

Power Range
660-1450 bhp (492-1081 bkW)
Speed Range
1600-2300 rpm
Emissions
IMO II, EU IW

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3406C

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

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C32 ACERT Tier 3

Power Range
750-1800 bhp (559-1342 bkW)
Speed Range
1600-2300 rpm
Emissions
EPA Tier 3, IMO II, EU IW

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C32 Tier 3 / IMO II

Cat C32 Marine Propulsion (US EPA Tier 3 / IMO II)

Power Range
660-1600 bhp (492-1193 bkW)
Speed Range
1600-2300 rpm
Emissions
U.S. EPA Tier 3 / IMO II emissions certified

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C32 Tier 4 / IMO III

Cat C32 Marine Propulsion (US EPA Tier 4 / IMO III)

6 Brick Z-Flow - Length
147.7 in
Minimum Length
83.9 in
Power Range
1000-1450 bhp (746-1081 bKW)

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3508C

Power Range
775-1100 bhp (578-820 bkW)
Speed Range
1200-1600 rpm
Emissions
IMO II, EU IW

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3512C IMO II

Power Range
1280-2551 bhp (955-1902 bkW)
Speed Range
1200 rpm, 1600 rpm, 1800 rpm
Emissions
IMO II, EU IW

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3512C Tier 3

Power Range
1340-2366 bhp (1000-1765 bkW)
Speed Range
1600-1800 rpm
Emissions
EPA Tier 3, IMO II

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3512E Tier 4 / IMO III

3512E Marine Propulsion Engine (U.S. EPA Tier 4 Final / IMO III)

Power Range
1341-2549 bhp (1000-1901 bkW)
Speed Range
1600-1800 rpm
Emissions
U.S. EPA Tier 4 Final, IMO III

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3516C IMO II

3516C Commercial Commercial Propulsion Engines

Power Range
1650-3386 bhp (1230-2525 bkW)
Speed Range
1200-1800 rpm
Emissions
IMO II

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3516C Tier 3

3516C T3 Commercial Commercial Propulsion Engines

Power Range
2131-2675 bhp (1590-1995 bkW)
Speed Range
1600 rpm
Emissions
EPA Tier 3, IMO II

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3516E Tier 4 / IMO III

3516E Marine Propulsion Engine (U.S. EPA Tier 4 Final)

Power Range
2501-3386 bhp (1865-2525 bkW)
Speed Range
1600-1800 rpm
Emissions
U.S. EPA Tier 4 Final, IMO III

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C280-6

Power Range
2320-2722 bhp (1730-2030 bkW)
Speed Range
900-1000 rpm
Emissions
IMO II

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C280-8

Power Range
3084-3393 bhp (2300-2530 bkW)
Speed Range
900 rpm
Emissions
IMO II

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C280-8 Tier 4/ IMO III

Power Range
3299-3634 bhp (2460-2530 bkW)
Speed Range
1000 rpm
Emissions
EPA Tier 4, IMO III

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C280-12

Power Range
4640-5096 bhp (3460-3800 bkW)
Speed Range
900 rpm
Emissions
IMO II

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C280-12 Tier 4/ IMO III

Power Range
4962-5444 bhp (3700-4060 bkW)
Speed Range
1000 rpm
Emissions
EPA Tier 4, IMO II

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C280-16

Power Range
6169-7577 bhp (4600-5650 bkW)
Speed Range
900-1000 rpm
Emissions
IMO II

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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

Power Range
400 bhp - 500 bhp (298 bkW - 373 bkW)
Speed Range
2900 rpm
Emissions
IMO II, U.S. EPA Tier 3, RCD II, China II

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C12

Power Range
578-609 mhp (570-600 bhp)
Speed Range
2300 rpm
Emissions
IMO I

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C12 ACERT

Power Range
660-705 bhp (492-526 bkW)
Speed Range
2300 rpm
Emissions
IMO II

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C18 ACERT Tier 3

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

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C18 ACERT Tier 3 Recreational

Power Range
1015-1150 mhp, 1001-1136 bhp, 747-847 bkW
Speed Range
2300 rpm
Emissions
EPA Tier 3, IMO II, EU IW

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C32

Power Range
1600-1900 bhp (1193-1417 bkW)
Speed Range
2300 rpm
Emissions
IMO II, U.S. EPA Tier 3 Recreational, RCD, China Stage II

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3512C HD

Power Range
1340-2366 bhp (1000-1765 bkW)
Speed Range
1600-1800 rpm
Emissions
EPA Tier 3, IMO II

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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.

C4.4 (Electronic)

Power Range
65/75/99/118 ekW @ 1800 rpm (60 Hz), 65/80/99 ekW @ 1500 rpm (50 Hz)
Emissions
U.S. EPA Tier 3 certified, EU Stage V certified
Configuration
In-line 4, 4-stroke-cycle diesel

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C1.5

C1.5 Generator Set (Single Phase 1.0 pf)

Minimum Rating
10 ekW (10 kVA)
Maximum Rating
13 ekW (16.5 kVA)
Frequency
50 Hz or 60 Hz

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C2.2

Minimum Rating
16 ekW (16kVA)
Maximum Rating
27 ekW (27 kVA)
Frequency
50 Hz or 60 Hz

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C4.4

Minimum Rating
36.0R ekW (45 kVA)
Maximum Rating
99.0 ekW (123 kVA)
Frequency
50 Hz or 60 Hz

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C9.3 Marine Generator Set

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

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C18 (SRMP) Marine Generator Set

Minimum Rating
260 ekW (325 kVA)
Maximum Rating
565 ekW (706 kVA)
Frequency
50 hz

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C32 ACERT IMO II

Minimum Rating
550 eKW (688 kVA)
Maximum Rating
940 ekW (1175 kVA)
Frequency
50 Hz or 60 Hz

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C32 ACERT Tier 3

Minimum Rating
730 ekW (913 kVA)
Maximum Rating
940 ekW (1175 kVA)
Frequency
60hz

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C32 Tier 3 / IMO II

Cat C32 Marine Generator Set (US EPA Tier 3 / IMO II)

Minimum Rating
219 ekW
Maximum Rating
940 ekW
Frequency
60hz

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C32 IMO III

Minimum Rating
219 ekW
Maximum Rating
940 ekW
Frequency
60hz

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3512C

Minimum Rating
1550 eKW (1937 kVA)
Maximum Rating
1700 eKW (2125 kVA)
Frequency
60 hz

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C280-6

Minimum Rating
1760 ekW (2200 kVA)
Maximum Rating
1820 ekW (2275 kVA)
Frequency
50 Hz or 60 Hz

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C280-8

Minimum Rating
2350 ekW (2938 kVA)
Maximum Rating
2420 ekW (3025 kVA)
Frequency
50 Hz or 60 Hz

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C280-12

Minimum Rating
3520 ekW (4400 kVA)
Maximum Rating
3640 ekW (4550 kVA)
Frequency
50 Hz or 60 Hz

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C280-16

Minimum Rating
4700 ekW (5875 kVA)
Maximum Rating
4840 ekW (6050 kVA)
Frequency
50 Hz or 60 Hz

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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.