Mack Trucks' factory-installed auxiliary axles on Mack Granite models currently feature standard shock for improved ride solace, solidness and tire life. Mack made the declaration at the Work Truck Show in Indianapolis.By retaining and diminishing inordinate vibrations, the stuns help improve toughness of the auxiliary axles and the total vehicle. They additionally help counteract uncontrolled axle hop and increment auxiliary axle tire life, cutting tire costs for customers. The smoother operation also reduces vibration transferred to the cab to improve driver comfort.Mack's factory-installed auxiliary axle options offer an integrated solution that improves lead time to customers who need to meet stringent bridge laws, said Tim Wrinkle, Mack Trucks construction product manager. And now, with standard shock absorbers, we're lowering those customers' total cost of ownership, while improving the everyday comfort of their drivers.Mack processing plant introduced auxiliary axles are tested and validated to Mack standards and highlight Huck Bolt establishment for included durability. The auxiliary axles are factory aligned and their operation is fully integrated. In addition to laser-engraved axle up/down switches on the dash, operation of the axle is preprogramed to raise when reverse is selected and during key-off.Mack's factory-installed auxiliary axles with standard shock absorbers are available on Mack Granite axle forward and axle back models.