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 ...
When paired with the 325 hp engine rating and the Allison 3000RDS transmission, the Mack MD is now capable of increased ...