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