An undercarriage of a belted or track type machine includes {HEAD ~ a drive wheel} rotatably mounted to {TAIL ~ the machine} and a roller frame assembly pivotally mounted to the machine 
rotatably mounted to
An undercarriage of a belted or track type machine includes { HEAD ~ a drive wheel } rotatably mounted to { TAIL ~ the machine } and a roller frame assembly pivotally mounted to the machine
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH