GM opts for Duramax engine, Allison transmission in truck developed with Navistar

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An employee at the DMAX, LTD engine plant assembles Duramax diesel engines in Moraine, Ohio.An employee at the DMAX, LTD engine plant assembles Duramax diesel engines in Moraine, Ohio.

General Motors’s (GM) all-new Class 4/5 commercial truck – which is being developed jointly with Navistar and set to debut next year – will get GM’s Duramax engine under the hood and will be matched with an Allison transmission, the company announced Tuesday at the Work Truck Show in Indianapolis.

The Duramax/Allison combo has powered close to two million trucks, and GM’s Director of Commercial Product and Medium Duty Fleet John Schwegman says the new Chevrolet medium-duty truck be the company’s flagship fleet and commercial customers vehicle.

“… we believe the strength of Duramax/Allison powertrain combination will be able to tackle various jobs – from general contracting to urban delivery to bucket loaders and wreckers.”

Technical specifications for Chevrolet’s new medium-duty truck, including cab and frame dimensions, horsepower and torque, GAWR, GVWR, payload and other ratings, will be released close to launch.