{HEAD ~ a receiving tube assembly} having {TAIL ~ a main receiving tube} attached to said main frame spaced forward away from said rearmost frame cross member, 
{ HEAD ~ a receiving tube assembly } having { TAIL ~ a main receiving tube } attached to said main frame spaced forward away from said rearmost frame cross member ,
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH