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