In {HEAD ~ correspondence} to operation of the accelerator and {TAIL ~ an actual speed} of the axle, either the odd numbered speed drive train or the even numbered speed drive train is selected so as to transmit power from the engine to the axle 
In { HEAD ~ correspondence } to operation of the accelerator and { TAIL ~ an actual speed } of the axle , either the odd numbered speed drive train or the even numbered speed drive train is selected so as to transmit power from the engine to the axle
OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH