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Library› Engine Room› Main Engines (4-Stroke)› Main Engine 4-Stroke
Main Engines (4-Stroke)

Main Engine 4-Stroke

A four-stroke main engine completes intake, compression, power and exhaust in four piston strokes per cycle, turns far faster than a slow-speed two-stroke of comparable power, and needs a reduction gearbox to bring propeller shaft speed down to something a propeller can use.

4,472models
121manufacturers
74–12,320 kWtypical power
14 Oct 2026last updated
Models

Models in this type.

Models 1,801 to 1,900 of 4,472 in Main Engine 4-Stroke. Every row links to full specifications, documents and service notes.

MAN Energy Solutions 633Wärtsilä 587Caterpillar 381HiMSEN 208MTU 172Volvo Penta 172Yanmar Power Technology Co., Ltd. 168Hanshin 131Daihatsu 109Pielstick 100MaK (Caterpillar) 94Yanmar 94Rolls-Royce / Bergen 92Caterpillar MaK 88Cummins 82Baudouin 74ABC 72MAN Truck & Bus SE 65NANNI INDUSTRIES SAS 65Weichai 56
Sort by:Best documentedNamePower (kW)
MaK8LM20C 1,560 kW Yanmar6N21A-SW 883 kW Rolls-Royce / Bergen8LB33:45 4,080 kW Caterpillar MaK9L32 5,220 kW Cummins4 cycle, Turbocharged Anglo Belgian3 DXC-750-100 MAN Energy Solutions14V16/24DF 1,540 kW Wärtsilä12VW46 8,400 kW Caterpillar8V3508B 1,040 kW HiMSEN6H32/40 2,520 kW MTU16V183 880 kW Volvo PentaD3-140I-E Hanshin6LU38 3,300 kW Daihatsu8DK-20 1,600 kW Pielstick20VPA6B 7,300 kW MaK8LM20C2 1,600 kW Yanmar6N21A-UW 736 kW Rolls-Royce / Bergen8LB33:45L 4,160 kW Caterpillar MaK9M M43C 9,090 kW CumminsB4.5-DM Anglo Belgian3 DXS-720-045 MAN Energy Solutions14V21/31 2,800 kW Wärtsilä12VW46 Methanol 7,800 kW Caterpillar Marine8V3508B 840 kW HiMSEN6H35/40 3,360 kW MTU16V2000 M41 1,120 kW Volvo PentaD3-150I-D Hanshin7LA28 2,100 kW Daihatsu8DK-20e 1,600 kW Pielstick20VPA6B STC 5,600 kW MaK8LM25 2,360 kW Yanmar6N21L 1,500 kW Rolls-Royce / Bergen8LB35:40 4,160 kW Caterpillar MaK9M M46DF 9,900 kW CumminsDM1 Anglo Belgian3 DX–600–000 MAN Energy Solutions14V21/31DF 2,590 kW Wärtsilä12VW46DF 7,920 kW Caterpillar8V3508C 1,080 kW HiMSEN6H35/40DF 3,360 kW MTU16V2000 M72 1,200 kW Volvo PentaD3-150I-E Hanshin7LEL28L 2,100 kW Daihatsu8DK-26 2,800 kW Pielstick20VPC2.6V 14,000 kW MaK8LM25C 2,480 kW Yanmar8AYL-ET 800 kW Rolls-Royce / Bergen8LB35:40DF 4,000 kW Caterpillar MaK9M43 8,910 kW CumminsK19 series Anglo Belgian6 DX-600-000 MAN Energy Solutions14V23/30A 2,800 kW Wärtsilä12VW46F 8,280 kW Caterpillar Marine8V3508C 936 kW HiMSEN6H35/40G 3,360 kW MTU16V2000 M84 1,280 kW Volvo PentaD3-160 Hanshin7LH28L 2,170 kW Daihatsu8DK-28 3,200 kW Pielstick6LPA6B 1,590 kW MaK8LM25C2 2,560 kW Yanmar8EY26W 2,060 kW Rolls-Royce / Bergen8LB36:45 4,320 kW Caterpillar MaK9M43C 7,200 kW CumminsMCRS Anglo Belgian6 DXC-750-100 MAN Energy Solutions14V23/30H 2,660 kW Wärtsilä12VW46GD 8,160 kW CaterpillarCat 12V C280 5,100 kW HiMSEN6H46DF 6,870 kW MTU16V2000 M96 1,360 kW Volvo PentaD3-160A-B Hanshin7LH36L 3,640 kW Daihatsu8DK-28e 3,280 kW Pielstick6LPA6B STC 1,680 kW MaK8LM25E 2,600 kW Yanmar8EY33W 3,600 kW Rolls-Royce / Bergen8LB36:45DF 4,160 kW Caterpillar MaKCat 3508B 560 kW CumminsNTA855 Anglo Belgian6 DXS-720-045 MAN Energy Solutions14V27/38 4,760 kW Wärtsilä12VW46TS-DF 8,040 kW CaterpillarCat 16V C280 6,800 kW HiMSEN6H54DF 8,400 kW MTU16V396 2,160 kW Volvo PentaD3-160I-C Hanshin7LH41L 4,900 kW Daihatsu8DK-32 4,320 kW Pielstick6LPC2.5 1,590 kW MaK8LM32 3,600 kW Yanmar8L6EY33W 4,240 kW Rolls-Royce / Bergen8LC25:33 2,240 kW Caterpillar MaKCat 3512B 840 kW CumminsQSB6.7 Anglo Belgian6/8 DL36 MAN Energy Solutions14V27/38A 4,900 kW Wärtsilä12VW50DF 11,400 kW CaterpillarCat 3512C Marine Propulsion HiMSEN6L H17/28 1,200 kW
Main engine spare parts
Related types

Also in Main Engines (4-Stroke).

The other equipment types in this category.

Dual-Fuel Engine (Marine)Main Engine (4-Stroke Trunk Piston)Medium-Speed Diesel Engine
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