1.A ọhụrụ kwalite ngwaahịa nke QT457 axle, na mmepụta torque 42000Nm mụbara site 5% karịa QT 457 axle;
2.Using pụrụ iche ụlọ ígwè efere izute elu loading ikike na elu pụrụ ịdabere, na-aghọta ìhè arọ;
3.Adopting iche iche imewe nke bearings ka mma na-ebu keukwu ndụ, ebuli n'etiti axle ụgbọelu Ọdịdị, na welie lubricating onwunwe;
4.A na-etinye maka ụgbọ ala ndị dị mgbagwoju anya nke okporo ụzọ, nke nwere ike ịkwado ya na mkpuchi mkpuchi dị iche iche nke wiil na ngwaọrụ lubrication na-arụ ọrụ iji hụ na ntụkwasị obi nke axle dum;
5.Adopting mmezi-free hub ibu nkeji ịghọta mmezi-free oghere n'ime 500,000 km;
6.Oil mgbanwe agbara nke 100,000 km, nke nwere ike ịzọpụta mmezi ụgwọ.
