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MD Gets A Boost From Mack’s Allison Vocational Transmission

TNI || New Delhi || 16th March 2022

Mack Trucks continues to extend its medium-duty vocational requirements by making the Allison 3000 RDS transmission available for purchase on its Mack MD Series trucks, as per a press conference held at the Indianapolis Work Truck Show.

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According to Dayle Wetherell, vice president of medium-duty sales at Mack, making the Allison 3000 an alternative was a “strategic decision” to enable practical applications that require more power yet are best suited to driving medium-duty vehicles.

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Wetherell adds that the transmission allows customers to haul greater weight and use a live power PTO, both of which are important for clients looking for a medium-duty vehicle that can handle demanding applications.

Mack’s MD Series models have previously only used the Allison 2500 RDS.

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Wetherell says the Allison 3000 gives clients running 4×2 trucks in applications including garbage, tank, and dump trucks more options.

The Allison 3000 RDS transmission allows MD tanker trucks that deliver heating oil, water, fuel, and propane, as well as dump trucks, to hold a 33,000-lb. gross vehicle rating (GVWR) for refuse and recycling applications.

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The Allison 3000 also gives room for a “live-power” lift-off for MD tanker trucks that deliver heating oil, water, fuel, and propane. Such vehicles can move and use the PTO at the very same time with this PTO configuration.

For some of Mack’s medium-duty customers, having a direct-drive PTO is incredibly crucial since they can lift and drop a dump body whilst driving without thinking about what gear the truck is in, says Tim Wrinkle, product manager at Mack Construction. 

The Allison 3000 RDS, according to Wrinkle, has a higher gross combined weight rating (GCWR) of 45,000 lbs. Because of the greater limit, customers can now tow multipurpose trailers with smaller crushers behind an MD dump truck.

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The Allison 3000 RDS-equipped Mack MD Series will also have a GCWR of 45,000 lbs.

A Category 6 with a GVWR of 25,995 pounds and a Category 7 with a GVWR of 33,000 pounds can be specified in the Mack MD Series.

Mack presently has a vehicle lineup ranging from Class 6 to Class 8 based on these ratings.

The Allison addition, according to Wrinkle, implies Mack is striving for additional vocational options for its moderate customers. He stated that the optional transmission will be added to the order book next month, with production beginning in July.