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March 3, 2016 12:50 PM, EST
Deep Reduction Option Available on Mack's mDrive Transmission
INDIANAPOLIS — Vocational customers of Mack Trucks using automated mechanical transmissions now have an option of deep reduction on the mDrive transmission.

An added front gear train gives the 12-speed transmission one or two extra-deep reduction ratios. The single deep reduction 13-speed gains a low of 17-to-1, and the 14-speed has two low ratios, a 19-to-1 and an extra-deep 32-to-1. The ultra-low ratio allows for low-speed crawling when pouring cement sidewalks and curbs.

At the Work Truck Show here, Mack also introduced its Clear Tech One, a lighter, more compact aftertreatment module that fits behind the passenger-side step. It is an option to the existing Clear Tech, two-unit separate diesel particulate filter and selective catalytic reduction modules. The single-unit component saves 17 pounds and frees up 11 inches of frame space.