In this example, the two gear trains 6 2, 6 5 for the second speed and the fifth speed are connected together, at their respective driving gears 22, 24 mounted on the input shaft 2, into an integral one for connecting to {HEAD ~ a third clutch} 7 3 mounted on the input shaft 2, and respective driven gears 23, 25 mounted thereof on {TAIL ~ the output shaft} 3 through a third selection mechanism, 8 3 
In this example , the two gear trains 6 2 , 6 5 for the second speed and the fifth speed are connected together , at their respective driving gears 22 , 24 mounted on the input shaft 2 , into an integral one for connecting to { HEAD ~ a third clutch } 7 3 mounted on the input shaft 2 , and respective driven gears 23 , 25 mounted thereof on { TAIL ~ the output shaft } 3 through a third selection mechanism , 8 3
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