... ,Yaxing,Ankai(AK),JAC,etc. 5,OEM parts Item Double gear(4th & 5th speed)Item NO.1280303009Brand NameHYBasic formForgingWeight5 kgTypeHelicalMaterial20CrMnTi / ZF ... , QJ705, S6-160). We adopt ZF Technology which is German gear standard. We supply transmission gearbox parts for Howo, Steyr King ...