Mack Trucks has added new features to its Granite Medium Heavy Duty (MHD) truck, aimed at increasing its versatility and enabling more cost effective choices for customers that need a durable and light work truck.

The enhancements include a new horsepower rating, under-frame exhaust system, a shorter wheelbase 4x2 configuration, and a tractor configuration to expand the applications coverage for the MHD.

“Vocational customers have a wide variety of needs,” said Tim Wrinkle, Mack Trucks construction product manager. “Some require lighter weight options but still need their trucks to meet the difficult demands of the application. The MHD model delivers both without compromise.”

The MHD, equipped with the Cummins L9 engine, now features a lower horsepower option, allowing customers to spec an engine with 330 horsepower and up to 1,000 ft.-lbs. of torque. The lower horsepower rating offers customers another option that may increase return on investment. 

A new under-frame exhaust gives customers more options for body adaptation, further expanding application capabilities, such as tankers, flatbeds, box trucks, cranes, and certain municipal applications.

The MHD model can be spec’d as a Class 7 or Class 8 vehicle, is offered in either an axle back or axle forward configuration, and is available as a 4x2 or 6x4, offering customers the flexibility to choose between a heavy-duty and a lighter-weight medium-duty option. An axle back tractor option meets the needs of light tractor applications requiring maneuverability, flexibility, and durability without extra weight.

A shorter wheelbase is also now available for the MHD model in the 4x2 configuration, ideal for the 10-foot dump body commonly used in municipal applications, and providing a more maneuverable, cost-effective option.