Different gear ratios can also be selected from {HEAD ~ the excavator cab} on {TAIL ~ the upper structure} 
on
Different gear ratios can also be selected from { HEAD ~ the excavator cab } on { TAIL ~ the upper structure }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL