1.O se oloa faʻaleleia fou o le QT457 axle, faʻatasi ai ma le gaosiga o le 42000Nm faʻateleina e 5% nai lo QT 457 axle;
2. Faʻaaogaina o paʻu uʻamea fale faʻapitoa e faʻafetaui ai le maualuga o le utaina o le gafatia ma le maualuga o le faʻatuatuaina, ma le iloa o le mamafa mama;
3.Adopting design differentiated o bearings e faʻaleleia ai le tauaveina o le olaga atoa, faʻaleleia le fausaga o le vaʻa o le axle ogatotonu, ma faʻaleleia mea totino lubricating;
4.Applied mo taavale tulaga lavelave, lea e mafai ona faaauupegaina i va-uila differential loka ma gaioiina lubrication masini e mautinoa ai le faatuatuaina o le axle atoa;
5. Fa'ataga le tausiga-sa'oloto hub tauaveina iunite e iloa ai le tausiga-sa'oloto hub i totonu ole 500,000 km;
6. Suauʻu fefaʻatauaʻiga mileage o 100,000 km, lea e mafai ona faasaoina tau tausiga.