Mack Trucks has trimmed up to 146 lb. from its mRide spring leaf over rubber block suspension when paired to Mack axles.
The weight savings result from Mack casting suspension components into the Mack axle housing. Total weight savings are 140 lb. with drum brakes and 146 lb. with disc brakes. The improvements were announced during a press conference at the virtual Work Truck Show.
The company also announced availability of Command Steer on the Mack Granite, a steer assist feature that helps maintain the truck’s path in gusting winds, or on uneven surfaces. Mack says it slashes driver effort by 85%, reducing fatigue and improving jobsite safety.
Command Steer is available on Mack Granite axle back models. An electric motor is combined with the Granite’s hydraulic steering with sensors that check the truck’s surrounding environment more than 2,000 times per second. It uses the electric motor to keep the truck on the desired route, eliminating the need to “fight the wheel,” the company says.
It also offers a return-to-zero feature that brings the steering wheel back to the center position in forward or reverse gears.
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