Kenworth T680, T880 get Dana Spicer D-Series option

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Updated Feb 28, 2017

Dana Spicer D-Series lightweight steer axlesKenworth is making Dana Spicer D-Series lightweight steer axles for use with air disc brakes available on its T680 and T880 model trucks with gross axle weight ratings from 10,000 to 13,200 pounds.

The D-Series axles feature a new lightweight beam with a robust axle-to-brake attachment to help maximizes performance. A patented steer arm design further reduces weight, delivering excellent performance within a smaller design envelope.

The axles also feature a new integrated air disc brake knuckle. The knuckle’s one-piece, forged design incorporates the tie-rod arm, disc brake mounting feature and spindle, and eliminates the need for a separate torque plate and its associated fasteners. The new axle weighs approximately 35 pounds less than the previous lightweight beam axle and torque plate assembly.

Kenworth Marketing Director Kurt Swihart says the D-Series’ integrated air disc brake knuckle reduces tire wear and maintenance intervals, while the air disc brakes themselves deliver superior performance over traditional drum brakes, improving stopping distance and brake life.