1. Lub teeb yuag, thiab muaj peev xwm kis tau zoo torque;
2.Siv kev sib xyaw ua ke zaum kawg tsav vaj tse thiab ua haujlwm zoo lubricating system;
3. Cov iav me me offsets, thiab kev sib kis tau zoo;
4.Bearings thiab roj foob nrog lub neej ntev;
5.Wheel hubs ncav cuag 50 txhiab mais kev txij nkawm dawb;
6.Ntau yam me me sib piv.