{HEAD ~ The chamber B} contains therein a reduction gear means 9 comprising the wheel axle 5, an input shaft 7 on {TAIL ~ the forward side} of the wheel axle 5 and a gear train 8 interconnecting therebetween, and is charged with oil 
{ HEAD ~ The chamber B } contains therein a reduction gear means 9 comprising the wheel axle 5 , an input shaft 7 on { TAIL ~ the forward side } of the wheel axle 5 and a gear train 8 interconnecting therebetween , and is charged with oil
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH OTH