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