In correspondence to operation of the accelerator and 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 {HEAD ~ power} from the engine to {TAIL ~ the axle} 
In correspondence to operation of the accelerator and 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 { HEAD ~ power } from the engine to { TAIL ~ the axle }
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 OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL