A single axle dolly vehicle unit for a heavy duty vehicle combination, the dolly vehicle unit comprising an electrical energy source arranged to power at least one electric machine configured to drive left and right wheels of the single axle, the dolly vehicle unit further comprising a drawbar and a fifth wheel connection for mating with first and second trailer units, respectively, wherein the fifth wheel connection is arranged to be adjusted in height over ground by a variable height suspension system, the dolly vehicle unit further comprising a control unit arranged to control the variable height suspension system.
SELF-POWERED SINGLE AXLE DOLLY VEHICLE UNIT WITH AUTO-COUPLING ABILITY
2022-05-12
Patent
Elektronische Ressource
Englisch
A SELF-POWERED SINGLE AXLE DOLLY VEHICLE UNIT WITH AUTO-COUPLING ABILITY
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