A shift up or shift down timing between the odd numbered speed level and the even numbered speed level relative to variation of the actual speed of the axle is changed according to {HEAD ~ detection} of {TAIL ~ a tilt angle} of the vehicle or a weight of the vehicle 
of
A shift up or shift down timing between the odd numbered speed level and the even numbered speed level relative to variation of the actual speed of the axle is changed according to { HEAD ~ detection } of { TAIL ~ a tilt angle } of the vehicle or a weight of the vehicle
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH