Tuthill Drive Systems offers a commercially available, steerable hydraulic drive axle for Class 6, 7 and 8 heavy-duty trucks that require both on- and off-highway capabilities.

• Can be retrofitted as well as installed on new equipment
• Does not alter the truck's ride height, maintaining the existing steering angles and suspension
• Takes approximately one-third of the time required for mechanical axles to be installed
• Can be engaged and disengaged "on the go"