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ENGINES FOR FISHERIES VESSELS
When you’re on the move, chasing the perfect catch, you need a fishing engine that won’t let you down. Cat engines for fisheries vessels keep you up and going, no matter how challenging the weather or operating conditions. We’ve been powering vessels of all sizes and types since the 1940s.
Every Cat diesel fishing boat engine is built tough to handle long hours and variable conditions
Custom options from the factory mean you can tailor your engine to suit your needs
Extended maintenance intervals let you spend more time fishing, less time servicing
Industry-best parts availability gets you back on the water fast
Cat dealer support is on hand whenever — and wherever — you need it
Engines for fisheries vessels are also available for aquafarming and capture fishing
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Emissions and Alternative Fuels
Diesel emissions technology and alternative fuels, like LNG, are a focus of Caterpillar Marine with a commitment to programs that reduce emissions from diesel engines.
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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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Products
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- Power Range
- 365-400 bhp (272-298 bkW)
- 365-400 bhp (272-298 bkW)
- Speed Range
- 1800 rpm
- 1800 rpm
- Emissions
- Non-Certified
- Non-Certified
3406C
The mechanically governed 3406C marine propulsion engine is available “A” rating of 365 bhp (272 bkW) and a “B” rating of 400 bhp (298 bkW).
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- Power Range
- 1280-2551 bhp (955-1902 bkW)
- 1280-2551 bhp (955-1902 bkW)
- Speed Range
- 1200 rpm, 1600 rpm, 1800 rpm
- 1200 rpm, 1600 rpm, 1800 rpm
- Emissions
- IMO II, EU IW
- IMO II, EU IW
3512C IMO II
The Cat 3512C marine propulsion engine makes your investment work harder. Through a wide range of available power ratings (including High Displacement ratings), no required aftertreatment technology, and nominal rated BSFC fuel consumption - it will drive down your total cost of ownership. With a redesigned piston bowl shape to improve combustion, and improved fuel delivery, this engine is IMO II emissions compliant and committed to sustainable environmental development. Single-source support, the Caterpillar warranty, and industry-leading one-year warranty on parts make the 3512C a fully integrated marine power solution.
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- Power Range
- 1340-2366 bhp (1000-1765 bkW)
- 1340-2366 bhp (1000-1765 bkW)
- Speed Range
- 1600-1800 rpm
- 1600-1800 rpm
- Emissions
- EPA Tier 3, IMO II
- EPA Tier 3, IMO II
3512C Tier 3
The 3512C High Displacement marine engines are now available in a wide range of ratings that meet EPA Marine Tier 3 and IMO II regulations without any additional aftertreatment. These new propulsion, auxiliary, and DEP engines, designed and built from the current 3512C and 3516C platforms, have minimal dimensional and weight changes in comparison. Owning and operating costs are also very similar. For the specific fuel consumption of each rating please refer to the performance data. New features include stainless steel exhaust heat shields, closed crankcase ventilation system, and EPA Tier 3 compliance.
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- Power Range
- 1341-2549 bhp (1000-1901 bkW)
- 1341-2549 bhp (1000-1901 bkW)
- Speed Range
- 1600-1800 rpm
- 1600-1800 rpm
- Emissions
- U.S. EPA Tier 4 Final, IMO III
- U.S. EPA Tier 4 Final, IMO III
3512E Tier 4 / IMO III
The 3512E marine propulsion engine is now available in a wide range of ratings that meet U.S. EPA Tier 4 Final and IMO III marine emissions regulations. As the commercial marine industry adjusts their operations to meet U.S. EPA Tier 4 Final and IMO III emissions standards, Caterpillar Marine has introduced a solution built to maximize performance while meeting regulations. Caterpillar's combination of a fuel-efficiency-optimized engine and a selective catalytic reduction (SCR) aftertreatment system is a solution that not only reduces NOx emissions, but can also lower a customer's owning and operating costs in the process.
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- Power Range
- 1650-3386 bhp (1230-2525 bkW)
- 1650-3386 bhp (1230-2525 bkW)
- Speed Range
- 1200-1800 rpm
- 1200-1800 rpm
- Emissions
- IMO II
- IMO II
3516C IMO II
The 3516C propulsion engine is available with a wide range of ratings that meet IMO II regulations without any additional aftertreatment. These engines provide efficient operation with electronic governing, cold mode start strategy, and programmable low idle to minimize fuel consumption. The 3516C engine also incorporates a closed crankcase ventilation system to lower emissions.
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- Power Range
- 2131-2675 bhp (1590-1995 bkW)
- 2131-2675 bhp (1590-1995 bkW)
- Speed Range
- 1600 rpm
- 1600 rpm
- Emissions
- EPA Tier 3, IMO II
- EPA Tier 3, IMO II
3516C Tier 3
The 3516C propulsion engine is available with a wide range of ratings that meet EPA Tier 3 and IMO II regulations without any additional aftertreatment. These engines provide efficient operation with electronic governing, cold mode start strategy, and programmable low idle to minimize fuel consumption. The 3516C engine also incorporates a closed crankcase ventilation system to lower emissions.
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- Power Range
- 3755-4023 bhp (2800-3000 bkW)
- 3755-4023 bhp (2800-3000 bkW)
- Speed Range
- 1800 rpm
- 1800 rpm
- Emissions
- IMO II
- IMO II
3516E
Building on the durability and reliability of the 3500 engine platform, Caterpillar Marine is pleased to offer an uprated version of the Cat 3516E Marine Propulsion Engine. The high-performance engine delivers 19% more rated power, lower ambient heat rejection, and improved acceleration time. With a focus on serviceability and digitalization, this product provides easier connectivity and installation. It is designed for small engine rooms with its reduction in weight & size and is an ideal solution for Tug, Governmental, and Yachting.
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- Power Range
- 2501-3386 bhp (1865-2525 bkW)
- 2501-3386 bhp (1865-2525 bkW)
- Speed Range
- 1600-1800 rpm
- 1600-1800 rpm
- Emissions
- U.S. EPA Tier 4 Final, IMO III
- U.S. EPA Tier 4 Final, IMO III
3516E Tier 4 / IMO III
The 3516E marine propulsion engine is now available in a wide range of ratings that meet U.S. EPA Tier 4 Final and IMO III marine emissions regulations. As the commercial marine industry adjusts their operations to meet EPA Tier 4 Final and IMO III emissions standards, Caterpillar Marine has introduced a solution built to maximize performance while meeting regulations. Caterpillar's combination of a fuel-efficiency-optimized engine and a selective catalytic reduction (SCR) aftertreatment system is a solution that not only reduces NOx emissions, but can also lower a customer's owning and operating costs in the process.
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- Power Range
- 340-490 bhp (254-366 bkW)
- 340-490 bhp (254-366 bkW)
- Speed Range
- 1800-2300 rpm
- 1800-2300 rpm
- Emissions
- IMO I, IMO II
- IMO I, IMO II
C12
Cat® C12 Diesel Marine Propulsion Engines, with ratings of 340-490 bhp (254-366 bkW) at 1800-2300 rpm, meet IMO II emission standards with the exception of the 497 mhp (490 bhp) rating at 2300 rpm which meets IMO I emissions standards. The C12 takes full advantage of the electronically controlled unit injection fuel system, resulting in an environmentally friendly engine with outstanding performance and fuel economy. There is also a wide range of optional equipment available to meet the needs of your marine commercial or pleasure craft application.
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- Power Range
- 454-715 bhp (339-533 bkW)
- 454-715 bhp (339-533 bkW)
- Speed Range
- 1800-2100 rpm
- 1800-2100 rpm
- Emissions
- IMO II, EU IIIA
- IMO II, EU IIIA
C18 ACERT IMO II
The C18 ACERT marine propulsion engine has commercial application ratings of 454-715 bhp that meet IMO II & EU Stage IIA emissions regulations, and 469-715 bhp that meet EPA Tier 3, IMO II and EU Stage IIIA emissions regulations. In addition to the benefits the C18 ACERT's advanced marine engine technology brings, you welcome aboard legendary Cat product support. No matter where your spirit of adventure takes you, rest assured the Cat Dealer Network is close by.
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- Power Range
- 469-1001 bhp (350-747 bkW)
- 469-1001 bhp (350-747 bkW)
- Speed Range
- 1800-2300 rpm
- 1800-2300 rpm
- Emissions
- EPA Tier 3 Commercial, IMO II, EU IW
- EPA Tier 3 Commercial, IMO II, EU IW
C18 ACERT Tier 3
The C18 ACERT marine propulsion engine has commercial application ratings of 475-725 mhp (469-715 bhp) at 1800-2100 rpm that meet U.S. EPA Tier 3, IMO II, and EU IW emissions regulations. In addition to meeting the stricter EPA Tier 3 emissions, this engine now offers a fresh water aftercooled option for the commercial propulsion and auxiliary engines and genset packages. From fishing to offshore and everything in between, you can be confident that we have the solution to fit your needs.
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- Power Range
- 4640-5096 bhp (3460-3800 bkW)
- 4640-5096 bhp (3460-3800 bkW)
- Speed Range
- 900 rpm
- 900 rpm
- Emissions
- IMO II
- IMO II
C280-12
Building on the durability and reliability of the C280 engine platform, Caterpillar is pleased to offer the IMO II compliant C280 engine line. The core components are the same as the existing C280, including the latest in EUI fuel system capabilities and state-of-the-art ADEM™ A3 Electronic Control Unit (ECU) features. Caterpillar® products continue to deliver more available power while delivering outstanding fuel efficiency. You can also count on long maintenance intervals and worldwide Caterpillar parts and service availability.
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- Power Range
- 4640-6035 bhp (3460-4500 bkW)
- 4640-6035 bhp (3460-4500 bkW)
- Speed Range
- 900 / 1,000 rpm
- 900 / 1,000 rpm
- Emissions
- IMO II U.S. EPA Tier 4, IMO III (Cat SCR required)
- IMO II U.S. EPA Tier 4, IMO III (Cat SCR required)
C280-12
A leader in the high performance medium speed engine market, the C280 is now available with 4500bkW and 6000bkW ratings to provide even greater power density in your weight critical applications. New performance iron for improved combustion efficiency and lower visible smoke, as well as a redesigned hard heat shield system are standard on all ratings. With 30 years of proven performance and durability, the C280 is the right solution for both newbuild and repower opportunities, particularly in Governmental and Ferry applications.
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- Power Range
- 4962-5444 bhp (3700-4060 bkW)
- 4962-5444 bhp (3700-4060 bkW)
- Speed Range
- 1000 rpm
- 1000 rpm
- Emissions
- EPA Tier 4, IMO II
- EPA Tier 4, IMO II
C280-12 Tier 4/ IMO III
Building on the durability and reliability of the C280 engine platform, Caterpillar is pleased to offer the EPA Tier 2 compliant C280 engine line. The core components are the same as the existing C280, including the latest in EUI fuel system capabilities and state-of-the-art ADEM™ A3 Electronic Control Unit (ECU) features. Caterpillar® products continue to deliver more available power while delivering outstanding fuel efficiency. You can also count on long maintenance intervals and worldwide Caterpillar parts and service availability.
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- Power Range
- 6169-7577 bhp (4600-5650 bkW)
- 6169-7577 bhp (4600-5650 bkW)
- Speed Range
- 900-1000 rpm
- 900-1000 rpm
- Emissions
- IMO II
- IMO II
C280-16
Building on the durability and reliability of the C280 engine platform, Caterpillar is pleased to offer the EPA Tier 2 compliant C280 engine line.
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- Power Range
- 2320-2722 bhp (1730-2030 bkW)
- 2320-2722 bhp (1730-2030 bkW)
- Speed Range
- 900-1000 rpm
- 900-1000 rpm
- Emissions
- IMO II
- IMO II
C280-6
Building on the durability and reliability of the C280 engine platform, Caterpillar is pleased to offer the IMO II C280 engine line. The core components are the same as the existing C280, including the latest in EUI fuel system capabilities and state-of-the-art ADEM™ A3 Electronic Control Unit (ECU) features. Caterpillar® products continue to deliver more available power while delivering outstanding fuel efficiency. You can also count on long maintenance intervals and worldwide Caterpillar parts and service availability.
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- Power Range
- 3084-3393 bhp (2300-2530 bkW)
- 3084-3393 bhp (2300-2530 bkW)
- Speed Range
- 900 rpm
- 900 rpm
- Emissions
- IMO II
- IMO II
C280-8
Building on the durability and reliability of the C280 engine platform, Caterpillar is pleased to offer the IMO II compliant C280 engine line. The core components are the same as the existing C280, including the latest in EUI fuel system capabilities and state-of-the-art ADEM™ A3 Electronic Control Unit (ECU) features. Caterpillar® products continue to deliver more available power while delivering outstanding fuel efficiency. You can also count on long maintenance intervals and worldwide Caterpillar parts and service availability.
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- Power Range
- 3299-3634 bhp (2460-2530 bkW)
- 3299-3634 bhp (2460-2530 bkW)
- Speed Range
- 1000 rpm
- 1000 rpm
- Emissions
- EPA Tier 4, IMO III
- EPA Tier 4, IMO III
C280-8 Tier 4/ IMO III
Building on the durability and reliability of the C280 engine platform, Caterpillar is pleased to offer the EPA Tier 2 compliant C280 engine line.
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- Power Range
- 750-1800 bhp (559-1342 bkW)
- 750-1800 bhp (559-1342 bkW)
- Speed Range
- 1600-2300 rpm
- 1600-2300 rpm
- Emissions
- EPA Tier 3, IMO II, EU IW
- EPA Tier 3, IMO II, EU IW
C32 ACERT Tier 3
The C32 ACERT marine propulsion engine is available at ratings that meet both EPA Tier 3 and IMO II emissions regulations. It has a separate circuit aftercooling system (SCAC) for A through C ratings and a seawater aftercooling system (SWAC) for D and E ratings. The C32 ACERT has seven ratings with Wide Operating Speed Range (WOSR) and extended oil change intervals. Other benefits include proven engine operating history and performance iron with thousands of validation testing hours for quality and durability. The C32 ACERT marine engine is supported by the extensive Cat global dealer network and standard warranty.
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- Power Range
- 660-1450 bhp (492-1081 bkW)
- 660-1450 bhp (492-1081 bkW)
- Speed Range
- 1600-2300 rpm
- 1600-2300 rpm
- Emissions
- IMO II, EU IW
- IMO II, EU IW
C32 IMO II
The C32 marine propulsion engine is available at ratings that meet IMO II emissions regulations. It has a separate circuit aftercooling system (SCAC) for A through C ratings, six ratings with Wide Operating Speed Range (WOSR) and extended oil change intervals. Other benefits include proven engine operating history and performance iron with thousands of validation testing hours for quality and durability. The C32 marine engine is supported by the extensive Cat global dealer network and Caterpillar's standard warranty.
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- Power Range
- 660-1600 bhp (492-1193 bkW)
- 660-1600 bhp (492-1193 bkW)
- Speed Range
- 1600-2300 rpm
- 1600-2300 rpm
- Emissions
- U.S. EPA Tier 3 / IMO II emissions certified
- U.S. EPA Tier 3 / IMO II emissions certified
C32 Tier 3 / IMO II
Cat C32 Propulsion Engine (US EPA Tier 3 / IMO II)
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- 6 Brick Z-Flow - Length
- 147.7 in
- 3751 mm
- Power Range
- 1000-1450 bhp (746-1081 bKW)
- 1000-1450 bhp (746-1081 bKW)
- Minimum Length
- 83.9 in
- 2130 mm
C32 Tier 4 / IMO III
Cat C32 Propulsion Engine (US EPA Tier 4 / IMO III)
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- Power Range
- 280 bhp - 425 bhp (209 bkW - 317 bkW)
- 280 bhp - 425 bhp (209 bkW - 317 bkW)
- Speed Range
- 2300 - 2700 rpm
- 2300 - 2700 rpm
- Emissions
- U.S. EPA Tier 3, IMO II, RCD II, China II
- U.S. EPA Tier 3, IMO II, RCD II, China II
C7.1 Tier 3 / IMO II
C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
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- Power Range
- 375-476 bhp (280-355 bkW)
- 375-476 bhp (280-355 bkW)
- Speed Range
- 1800, 2100, 2300 rpm
- 1800, 2100, 2300 rpm
- Rated Engine Speed
- 1800, 2100, 2300 rpm
- 1800, 2100, 2300 rpm
C9.3 ACERT
The C9.3 ACERT propulsion engine has a B rating of 375 bhp (280 bkW) at 1800 rpm, a C rating of 416 bhp (310 bkW) at 2100 rpm, and a D rating of 476 bhp (355 bkW) at 2300 rpm. The C9.3 propulsion, auxiliary, and generator set engines have a common rail fuel system for optimal combustion and lower emissions. Cooling system options for the propulsion and auxiliary engines include heat exchanger with sea water aftercooling, and keel with combined circuit or separate circuit aftercooling. The genset packages are available with heat exchanger, keel, or radiator cooling. These products are EPA Tier 3 and IMO II certified. In addition the propulsionengine ratings are EU Stage IIIA certified and auxiliary and gen sets are also CCNR Stage II certified.
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