{HEAD ~ The swing arm assembly} is pivotally mounted to {TAIL ~ a pivot} about a swing arm pivot axis located above the bottom rail surface when the suspension assembly is mounted to the trailer 
is pivotally mounted to
{ HEAD ~ The swing arm assembly } is pivotally mounted to { TAIL ~ a pivot } about a swing arm pivot axis located above the bottom rail surface when the suspension assembly is mounted to the trailer
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH