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February 4, 2020

First Look: Mack is Back in Medium-Duty [Photos]

Lurking under the hood of every Mack MD truck is a a Cummins B6.7L diesel engine, rated 220 to...

Lurking under the hood of every Mack MD truck is a a Cummins B6.7L diesel engine, rated 220 to 300 hp and 560 to 660 lb.-ft. of torque.

Lurking under the hood of every Mack MD truck is a a Cummins B6.7L diesel engine, rated 220 to 300 hp and 560 to 660 lb.-ft. of torque.
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