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 ...
When paired with the 325 hp engine rating and the Allison 3000RDS transmission, the Mack MD is now capable of increased ...
Mack is now offering a 23,000-pound rear axle and Cummins B6.7 engine with up to 325 horsepower on its Mack MD Series models. Designed for a Gross Axle Weight Rating (GAWR) of up to 23,000 pounds ...
A new 23,000-lb. rear axle and 325-horsepower engine rating boost durability and performance for vocational customers.