A hitch is pivotally mounted at the front end of the frame and carries {HEAD ~ a clevis assembly} at {TAIL ~ the forward end} thereof 
at
A hitch is pivotally mounted at the front end of the frame and carries { HEAD ~ a clevis assembly } at { TAIL ~ the forward end } thereof
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH