Kenworth Truck Company now offers a new 13,200-pound steerable lift axle on selected Kenworth Class 8 vocational truck models for dump, mixer, heavy haul, logging and other vocational applications. The Watson ' Chalin Tru-Track Alumilite steerable lift axle provides greater payload capacity, reducing tare weight by nearly 150 pounds compared to the company's previous Tru-Track models, and extended life bushings help make the lift axle more durable.