Supply of heavy truck HOWO ac16 rear axle in the middle part of the assembly, after the bridge in the middle (I=4.42, Phi 165, strengthening type differential), (I=5.73 without differential lock), (I=5.73, Phi 165, strengthening type differential), (I=6.72, Phi 165, strengthening type differential), (I=9.49, Phi 165, strengthen type differential gear)