Engines

Nonroad diesel engines

Industrial and off-road compression-ignition engines for construction, agricultural and generator equipment. EPA certification records cover 16,867 engine families from 75 manufacturers; Cummins has the most, with 1,732.

Manufacturers75
Engine families16,867
ManufacturerFamiliesModel yearsPower range
Cummins1,7321996–202646–2237 kW
Yanmar1,4251998–202714–345 kW
Kubota1,3851998–202714–345 kW
Caterpillar1,0031996–2026338–1398 kW
Deutz9621996–202614–345 kW
John Deere8971996–202628–1398 kW
Isuzu7181996–202628–345 kW
Perkins6591996–202614–1398 kW
Mitsubishi Heavy Industries6581997–202614–1398 kW
Shibaura6201998–202014–46 kW
Komatsu6011996–202646–1398 kW
FPT Industrial5602012–202646–560 kW
Hatz5121998–202714–46 kW
Mahindra3791999–202614–93 kW
Volvo Penta3541996–2026338–1398 kW
Liebherr3041998–2026102–730 kW
Navistar2851996–2014338–338 kW
Detroit Diesel2621996–2017338–1398 kW
Daedong2361999–202614–93 kW
Iveco2301998–2011—
Kukje1702001–202214–66 kW
Iseki1691999–202614–46 kW
Lombardini1681999–2011—
HD Construction Equipment1652009–202714–1398 kW
Discovery Energy1542012–202614–102 kW
General Motors1501996–2011—
CNH Industrial1271998–2011—
Daewoo Heavy1231998–2008—
Volvo Construction Equipment1131998–2026345–345 kW
VM Motori1091997–201446–46 kW
Ford991996–2011—
Hino Motors981996–2011—
Baytech921998–2011—
Mack Trucks901996–2006—
JCB Power Systems822005–202646–345 kW
LS Mtron762003–202628–46 kW
Same761998–202646–93 kW
Mitsubishi Motors761996–2003—
Escorts671999–202328–46 kW
Nissan Diesel Motor651996–201246–46 kW
Mitsubishi Fuso632002–201346–345 kW
Kirloskar Americas602000–202614–102 kW
MAN Truck & Bus532008–2026345–730 kW
Volkswagen431996–201928–46 kW
Shandong Huayuan Laidong Engine422005–201214–28 kW
Toyota Industries371998–2011—
DAIHATSU Motor332000–201214–28 kW
Jiangsu Jiangdong Group312005–2012—
Greaves Farymann Diesel292000–201214–14 kW
Daimler Truck262022–2026102–345 kW
Stellantis (FPT/Fiat)252015–202646–93 kW
Volvo Trucks242006–2011—
Mazda241998–2005—
Jiangsu Changfa Group232006–2012—
International Tractors232001–202646–46 kW
TYM222023–202614–66 kW
General Engine Products192000–2006—
Toyota Material Handling182012–202146–46 kW
MWM Motores Diesel171999–2002—
Zhejiang Xinchai162006–201228–28 kW
Bi-Phase Technologies152001–2011—
Weichai Power152009–2025560–1398 kW
Eastern Tools and Equipment152002–2007—
Tractorul UTB151998–2006—
DRV Energy142003–2006—
Wuxi World Best Kama132007–201214–14 kW
Tianjin Lovol Engines122008–201166–102 kW
Impco121998–2004—
Kia Motors122000–2003—
Atlantis Diesel Engines121996–1998—
Suzhou Jinding Machinery112006–201214–14 kW
Wing Fuel Systems112005–2011—
Sisu Diesel111996–1997—
Global Component Technologies102012–201846–46 kW
Renault Trucks101998–2002—

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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