A reverse drive gear 22a is formed on the input shaft 8 and a driven gear {HEAD ~ 22b} is formed on one side of {TAIL ~ a sleeve} of the synchronizing device 21 
A reverse drive gear 22a is formed on the input shaft 8 and a driven gear { HEAD ~ 22b } is formed on one side of { TAIL ~ a sleeve } of the synchronizing device 21
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH