A reverse drive gear 22a is formed on the input shaft 8 and a driven gear 22b is formed on {HEAD ~ 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 22b is formed on { HEAD ~ 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 OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH