Mack Trucks on Wednesday launched a single-rear-axle version of its Granite MHD (medium heavy duty) model, offering a Class 7 or Class 8 product for customers needing a lighter yet rugged work truck.

New component is a response to international market call for an 85,000-pound gross axle weight model. Adding to an already busy year of new product introductions, Greensboro-based Mack Trucks on ...

Mack Trucks previously filled the niche for the axle back configuration with its DM model. "The DM is still ... the choice to have either a large single rail or two rails," says Ginter.