Tough transmission for trucks

Diesel Industry News
Tough transmission for trucks

Mack’s 12-speed mDrive is a new heavy-duty version automated manual transmission which will come standard on Mack Granite trucks.

The transmission is designed to work with Mack MP7 and MP8 engines. A premium shift pad is available, which allows operators to hold a gear, downshift or upshift.

The transmission is available in overdrive and direct drive. It requires less service than traditional manual transmissions, significantly lowering maintenance costs, Mack claims.

It can be serviced at any Mack location and is supported by Mack’s uptime services.

Key benefits include: a lightweight design, up to 108kg lighter than other transmissions; reinforced internal components for the mDrive HD to withstand more frequent shifting required in construction applications, a transmission-mounted oil cooler to maintain optimal operating temperature, unique software packages created for construction applications; a rock-free feature to help drivers get out of sticky situations by rocking the truck back and forth using the accelerator; and Grade Gripper, which allows the truck to momentarily hold a grade so the driver has time to apply the throttle.

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