Mack Trucks recently introduced the Mack S852, an 85,000-lb. gross axle weight rating of its proprietary tandem drive axles, which is available for order now.
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,
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