Skip to content
OceanSphereDEENPL
OceanSphereENGINES
Request service Request a part
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 101 to 200 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)
Shanghai Cummins Trade6CT8.3, 6CTA8.3 Stamford/Cummins4 cycle, Turbocharged, After-cooled Twin Disc1D90 V/W MAN Energy Solutions10L21/31DF 1,850 kW Wärtsilä10LW31 3,050 kW Caterpillar12V3412C 900 kW HiMSEN12H46DF 13,740 kW MTU10V 2000 M72 900 kW Volvo Penta6LD13-MH 450 kW Yanmar Power Technology6N165L Hanshin5LEL28 1,450 kW Daihatsu12VDK-36 7,200 kW Pielstick10LPC2.6B 7,100 kW MaK12VM32C 5,760 kW Yanmar12AYM-WGT 1,340 kW Rolls-Royce / Bergen12VB32:40V 5,520 kW Caterpillar MaK12V M43C 12,120 kW Cummins12VKTA38-M 1,416 kW Baudouin Marine12M26.3 883 kW ABC12V12VDXS 3,840 kW NANNI INDUSTRIES SAST4 EVO2 195 kW MAN Truck & BusD2868LE4XX, D2862LE4XX, D2862LE3XX Weichai12VCW200 1,440 kW FPT IndustrialC87ENTM62 426 kW Scania Marine8VDI16M 440 kW National Railway EquipmentFNREN169.ERT Perkins Marine6L2806 540 kW Niigata12V12V32HX 5,760 kW Everllence UK12MB430M @ 514 rpm Doosan Infracore Marine4V158TIH Mitsubishi12VS12H-MPTA 1,680 kW Deutz16VBV16M628 2,240 kW Mtu Detroit DieselS2000 CR 1,939 kW Caterpillar Marine Power3512C SKL12VNVD 48 A2U 8,280 kW Deere Power Systems Of Deere350MSB 266 kW Doosan12VV180TI-M2 660 kW HYUNDAI SEASALLD 170 FCA ItalyMR506 199 kW Mitsubishi Heavy Industries12VS12U-MPTK 2,100 kW Bergen EnginesB32:40L8 4,640 kW Isuzu MOTORS6WG1X 500 kW IVECO/FPTBosch VetusL2C IVECOF1CE0486B 129 kW Hyundai Heavy IndustriesH17/28 Mitsubishi Turbocharger and Engine EuropeS12A2 Westerbeke30C Three Caterpillar MotorenM43 9,000 kW MAND2848 Rolls-Royce Solutions2000 Mx0, 2000 Mx1 CSSC/Hudong12VMAN16/24H 1,500 kW GuascorSF360TA-SP 954 kW IHI Agri-Tech404D-15 28 kW Vm MotoriMD706MH 169 kW Cummins Mercruiser dieselM14QTA 441 kW Detroit DieselS2000 788 kW Japan Engine6CH-HTE3 CMD13T4L550 81 kW HD Hyundai InfracoreDX22C 596 kW IHI Power Systems6L28AHX 2,580 kW Steyr MotorsMO256H45 184 kW VolkswagenR4TD 55 kW HD Hyundai Heavy Ind. Co., Ltd. Engine & Machinery DivisionH21C Kawasaki8L30KG Green Gas Engine Sandfirden Technics49DTAG-2V Beta MarineBETA25 18 kW Mitsubishi Heavy Industries Engine & TurbochargerGS16R-MPTK Progress Rail Locomotive645 BLOWER MARINE Wabtec Transportation SystemsL250MDC, V250MDC Alaska diesel electric1066D 191 kW SKL Motor6M 528 1,320 kW Tognum AmericaSeries 4000-03 4,300 kW Anqing CSSC Diesel Engine6DE-18, 6DEM-18, 6DEM-18L CSSC / Hudong HeavyCW6250ZC Marine Diesel 1,100 kW FPT - iveco motorsF1CE0486B 129 kW Fairbanks Morse EngineL48FME 9,450 kW Marinediesel SwedenMD300SC Hammerhead 224 kW CSSC Marine Power ZhenjiangL21/31 SOLEMINI-63 VETUS MitsubishiM2.18 John Deere6090SFM85 Rolls-Royce Solutions AmericaSERIES 2000 MX7 1,939 kW DAIHATSU INFINEARTH MFG.6DK(M)-36(e)(F)(L), 8DK(M)-36(e)(F)(L) FRYDENBØ SABB MOTORK39 Henan Diesel Engine IndustryTBD604BL Yanmar Power SolutionsNY16 Akasaka DieselAX33B AGCO Power49 and 74 DTG/DTAG MAN Energy Solutions10L27/38 3,400 kW Wärtsilä10LW31DF 2,900 kW Caterpillar12V3412E 960 kW HiMSEN12V H32/40 6,960 kW MTU10V 2000 M86 900 kW Volvo Penta6LD16-MH 540 kW Yanmar Power Technology Co., Ltd. Tsukaguchi FactoryAYEM Hanshin5LEL28L 1,500 kW Daihatsu12VDK-36e 7,320 kW Pielstick10VPC2.5 7,000 kW MaK12VM32C2 6,000 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
Would you like to know more?

One request. A person reads it and replies by e-mail.

Tell us the manufacturer, the model and what you need — a part, a service call, a second opinion. A person reads every request and replies by e-mail.

No details at hand? A photo of the rating plate or the part is enough — simply attach it to the request.

Request a partRequest service
Frequently asked

Three things people ask first.

Is Main Engine 4-Stroke data free?

Yes. Every model page, every guide and every datasheet for this type is readable without an account. An account adds saved searches and requests, nothing is taken away.

My model is missing — what now?

Send us the nameplate. We identify it by hand, add it to the library, and if you need a part or a service, the request is already on our desk.

Can you source a Main Engine 4-Stroke part?

Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.