{HEAD ~ A wheel supported tractor} is provided which is capable of {TAIL ~ interconnection} with a flatbed unit 
{ HEAD ~ A wheel supported tractor } is provided which is capable of { TAIL ~ interconnection } with a flatbed unit
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH