1,fuwa axle 2.America axle 3,quality steel 4,many kinds Trailer axle Capacity: 12T/14T/16T/18T1. Fuwa axle/ American axle, 13T and 16T are available, outboard and inboard, track1820/1840/1850, wheel base1360, PCD335, brake size420*180/420*220, bearing 518445/218248/212049/220149, Weight: 350-425kgs.2.Bpw axle / Germany axle ( BPW, YORK, FUWA) axle, track1840/1850, wheel base1360, PCD335, CBD281, ...