Sterling Trucks now offers on several of its models Hendrickson's Airtek (Front Airliner), an integrated front steer axle and air suspension; Haulmaax, a lightweight rear suspension; and Primaax, a rear air suspension.
Hendrickson and Sterling worked together to expand Airtek availability to include Sterling's A/AT 9500, L/LT 9500, and L/LT 8500 models. Haulmaax is provided on Sterling's LT7500, LT8500, and LT9500 models. Primaax is offered on L/LT7500, L/LT8500, L/LT9500, and A/AT9500 models.