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Tandem Axle

Paccar Adds Drive Axle, Updates Engines

LAS VEGAS — In a step toward more integrated drivetrains in Kenworth and Peterbilt trucks, Paccar announced a new 40,000-pound tandem axle that saves weight and improves fuel economy.

Hybrid Electric-Drive Trailer Tandem Promises Quick Payback

A hybrid electric-drive trailer tandem being developed by a group of engineers at Hyliion Inc. in Pittsburgh, Pa. The device, which for now has no official name, is undergoing road testing and should be ready for the market in mid-2017,