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