Engines

Marine diesel engines

Compression-ignition engines for boats and vessels. EPA certification records cover 3,544 engine families from 33 manufacturers; Caterpillar has the most, with 515.

Manufacturers33
Engine families3,544
ManufacturerFamiliesModel yearsPower range
Caterpillar5152000–2026179–4600 kW
John Deere4072004–202660–588 kW
Cummins3762004–202675–2300 kW
Volvo Penta3682004–202696–1013 kW
Yanmar3232005–202610–1840 kW
Perkins1802005–20267–373 kW
FPT Industrial1782012–2026129–735 kW
Mitsubishi Heavy Industries1402004–20269–1250 kW
Shibaura1242007–20205–55 kW
Nanni Industries1182012–202615–272 kW
MAN Truck & Bus1112006–2026537–1618 kW
Beta Marine1002013–202615–62 kW
Iveco552005–2011110–456 kW
Detroit Diesel522004–2013232–650 kW
Kubota502007–20276–40 kW
National Railway Equipment472015–2026—
Discovery Energy412013–202615–49 kW
Ingram Barge392013–20262237–2863 kW
Societe Internationale des Moteurs-Baudouin372016–2026552–1215 kW
Steyr322007–2026110–215 kW
Stellantis (FPT/Fiat)302015–202697–199 kW
VM Motori262004–201597–257 kW
Hyundai SeasAll232011–2026184–441 kW
HD Construction Equipment232009–2026221–883 kW
Everllence222004–20263060–4480 kW
Isuzu202006–2013261–500 kW
Hyundai Heavy Industries202009–2026645–2565 kW
Deutz192004–2013195–500 kW
APL Maritime172005–20241600–4000 kW
Crowley Maritime152008–2016425–2630 kW
OXE Marine AB152016–2026144–235 kW
Volkswagen112007–201255–257 kW
Mercury Marine102014–2017191–279 kW

Engine calculators

Torque, power and BMEPPower from torque and RPM · Torque from power and RPM · Brake mean effective pressure (BMEP)Engine displacementDisplacement from bore, stroke and cylinders · Bore from displacement and stroke · Stroke from displacement and boreBSFC and thermal efficiencyBSFC from power and fuel flow · Fuel flow from power and BSFC · Thermal efficiency from BSFCCompression ratioStatic compression ratio · Chamber volume for a target compression ratio · Theoretical compression pressurePiston speedMean piston speed · Maximum RPM for a piston speed limit · Rod ratio, piston velocity and acceleration

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