Marine Power Systems
A Solution for Any Application
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With Parts.Cat.Com, all the genuine Cat parts you need are just a couple of clicks away.
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Extend life and maximise value with repair options tailored to your needs.
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Connectivity and telematics is the key to gaining a competitive edge through machine data.
Earn More. Know More. Do More.A Solution for Any Application
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.
Showing 25–36 of 58 results
C7.1 High Performance Propulsion Engine
Marine Power Systems
Power Range
400 bhp - 500 bhp (298 bkW - 373 bkW)
Speed Range
2900 rpm
Rotation from Flywheel End
Counterclockwise
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C7.1 Marine Auxiliary Engine (U.S. EPA Tier 3 / IMO II)
Marine Power Systems
Length
1095 mm (43.1 in)
Power Range
208 bkW (280 bhp) @ 2300 rpm
Configuration
In-line 6, 4-stroke-cycle diesel
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C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
Marine Power Systems
Power Range
280 bhp - 425 bhp (209 bkW - 317 bkW)
Speed Range
2300 - 2700 rpm
Emissions
U.S. EPA Tier 3, IMO II, RCD II, China II
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C9.3 Commercial Propulsion Engine
Marine Power Systems
Power Range
375-476 bhp (280-355 bkW)
Speed Range
1800, 2100, 2300 rpm
Emissions
IMO II, U.S. EPA Tier 3, China Stage II
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C9.3 Marine Generator Set
Marine Power Systems
Speed
200 ekW - 274 ekW
Aspiration
Turbocharged-aftercooled
Bore
115 mm (4.5 in)
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C9.3 Marine Generator Set / Auxiliary Engine
Marine Power Systems
Power Range
292 bhp - 436 bhp (218 bkW - 325 bkW)
Rated Engine Speed
1,500, 1,800 rpm
Aspiration
Turbocharged-aftercooled
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Cat C18 ACERT Propulsion Engine (Tier 3)
Marine Power Systems
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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Cat C18 ACERT High Performance Propulsion Engine (Tier 3 Recreational)
Marine Power Systems
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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Cat C18 ACERT High Performance Propulsion Engine (Tier 3)
Marine Power Systems
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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Cat C18 ACERT Propulsion Engine (IMO II)
Marine Power Systems
Power Range
454-715 bhp (339-533 bkW)
Speed Range
1800-2100 rpm
Emissions
IMO II, EU IIIA
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