Equipment Type

 Diesel Engines, Over 250 hp

Latest Diesel Engines, Over 250 hp

Capable of producing up to 512 horsepower, Cummins QSM12 six-cylinder, 12-liter engine is designed, says the manufacturer, with a compact envelope that results in a power-to-weight ratio some 30 percent more favorable than the class average for engines with similar power ranges.

Cummins next-generation QSK50 engine is ready to meet EPA Tier 4-Final emissions standards in configurations up to 2,000 horsepower for powering large mining haul trucks, hydraulic excavators and loaders.

Cummins’ Q-series diesels will meet federal Tier 4-Final and Euro IV limits in 2014 with exhaust aftertreatment systems.

Navistar’s MaxxForce 15 diesel is in production and initially available in its International PayStar 5900 series. It will go in highway models later this year.

Detroit Diesel put a different spin on the old idea of double turbocharging by linking the DD15's second, low-pressure turbo to the flywheel.

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