... axles. 1, there are 3 and 4 bogie exles. 2,Height:12 PC is 480mm, 1 4 PCS is 505mm 86 ... easy, HJ brake lining install the alert of exhaustion to increase safety.5. HJ use world famous brand grease, which can ... axles.1, there are 3 and 4 bogie exles.2,Height:12 PC is 480mm,14 PCS is 505mm Mechanical Suspension ...