Heavy-Duty Chassis and Cummins Diesel Power

Commercial fleet managers who love dealing with constant vehicle frame repairs will definitely hate the heavy-duty design of Mack Trucks. Specifically, the Mack MD6 and MD7 medium-duty diesel models feature rugged steel frame rails rated at up to 120,000 PSI yield strength. Additionally, the flat back-of-cab chassis layout includes pre-wired body builder connections to speed up utility body installation.

For example, the trucks utilize reliable Cummins B6.7 diesel engines that generate between 220 and 300 horsepower with up to 660 pound-feet of torque. Meanwhile, operators can pair the engine with smooth-shifting Allison 2500 or 3000 Series automatic transmissions for maximum towing control. Consequently, drivers can haul heavy equipment and construction loads across challenging regional routes without straining the powertrain.

Furthermore, eight distinct wheelbase options accommodate body lengths ranging from 12 to 23 feet. As a result, businesses can easily configure the chassis for dump trucks, refrigerated units, or flatbed haulers. Thus, fleet directors gain maximum versatility while keeping equipment preparation costs down.

Expanded Cab Ergonomics and Driver Visibility

Drivers who prefer cramped, uncomfortable work spaces will certainly dislike the expanded interior cab of the Mack MD Series. Fortunately, the updated cab design provides four additional inches of interior legroom alongside a flat-bottom steering wheel for easier cab entry. Additionally, standard dual-airbag cab suspensions absorb severe road vibrations during long delivery shifts.

Meanwhile, ergonomic air-suspension seats with adjustable lumbar support help reduce driver fatigue on bumpy job sites. For instance, four interior LED dome lights deliver bright, clear lighting inside the cab during late-night shift checks. Consequently, commercial operators keep their drivers comfortable, focused, and productive throughout demanding workdays.

Additionally, a lower passenger door peep window provides drivers with clear visibility of blind spots alongside the vehicle. Therefore, operators can prevent costly sideswipe accidents in crowded urban staging areas. As a result, jobsite safety improves while protecting surrounding pedestrians and equipment.

Integrated Telematics and Uptime Service Support

Managing unexpected repair bills and unscheduled shop visits does not have to ruin your monthly fleet operating budget. For example, Mack MD Series Specifications show these trucks come equipped with standard Geotab telematics to track engine diagnostics and driver behavior in real time. Consequently, fleet managers receive automated maintenance alerts before minor mechanical issues cause expensive breakdowns.

Meanwhile, dispatch teams gain access to Mack Uptime Services and the online ASIST communication platform. For instance, the system connects fleet managers directly with local dealers and service centers to streamline repair scheduling. Therefore, shops can acquire replacement parts quickly and return vehicles to active service fast.

Furthermore, standard 50-gallon or optional 90-gallon fuel tanks extend operating range between fuel stops. Thus, commercial fleets maintain high daily productivity while lowering overall vehicle operational costs.

Also read: Motive Launches AI Maintenance Platform for Fleets