The iconic Mack bulldog has long found its home on a pedestal, but now, it's incorporated into the Pioneer's hood.

Mack Trucks announced plans to offer a 23,000-lb. rear axle and a Cummins B6.7 engine rated at up to 325 HP on its Mack MD ...

The Mack MD with the 23,000-lb. rear axle benefits refuse packers with 11-yard up to 20-yard rear loaders, as well as those Mack MD models being used as water trucks holding ...

The engine is a Cummins B6.7. (Photo: Mack Trucks) The heavier rear axle and suspension are designed for heavier payloads, ideal for refuse packers with 11- to 20-yard rear loaders and trucks fitted ...