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The cab shell and doors are based on the Granite, and the cab has dual air-bag cab suspension for additional driver comfort and structural durability.

Various bits of interior door and cab trim come from the Granite and Anthem models. Inside, Mack brought many of the amenities found in the Class 8 Anthem cab over to the MD cab, including the stylish dash A and B panels and the flat-bottom steering wheel. It comes with 19.5-inch wheels rather than the taller 22.5 standard tires. The MD6 is also available in a low-profile configuration, which lowers the chassis height for easier street loading, making it ideal for last-mile delivery or even towing and recovery. Chassis configurations accommodate body lengths of 10 to 26 feet on eight wheelbase options ranging from 150 to 270 inches. Other than that, the two trucks are basically the same.īoth offer Mack’s AL 190 (19,000-pound)/AL 210 (21,000-pound) optional rear air suspensions and rear-axle uprates to 21,000 pounds. Both are rated at 120,000-psi yield strength compared to the industry-standard 80,000 psi. The MD6 comes with 7-mm frame rails, while the MD7 features an 8-mm frame. The suspension and axle ratings on the MD6 are lighter, 10,000 and 17,000 pounds, compared to 12,000 and 21,000 for the MD7. Both versions are equipped with air brakes, but the lighter GVWR on the MD6 eliminates the need for an air brake endorsement.
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The MD6 will not require a commercial driver’s license to operate, but the MD7 will. There's also a Low Profile version of the MD6. Mack will build two versions of the new truck: the Class 6 MD6 (19,501-26,000 pounds GVWR) and the Class 7 MD7 (26,001-33,000 pounds GVWR). Photo: Jim Park Lots of Standard Features Even with a 26-foot cargo box, I could make right-hand turns just barely encroaching on the opposite lane of traffic. The MD is right at home on a busy city street. The company withdrew from the medium-duty market in 2003 when it halted production of the Freedom series.

Mack introduced a conventional version of the Mid-Liner, the CS300P, in 1988. (Both were built by Renault in France, which had a stake in Mack starting in 1979, with Mack becoming a wholly owned subsidiary in 1990. The company offered a low-cab-forward Class 6 model called the Mid-Liner from 1979-2001, when it was replaced by the Mack Freedom. The MD isn’t Mack’s first medium-duty rodeo. Production was originally slated to begin in July, but has been pushed back until Sept. Mack will build the MD at a new facility in Roanoke Valley, Virginia. “Now they have a single source for their equipment needs, and the MD opens up additional markets for us as we continue to grow our share of the market.” “A lot of our Class 8 customers are in the medium segments too, but they had to go somewhere else to satisfy their Class 6 and 7 needs,” Randall added.
