This genuine Welger wheel axle, part number 4104307670, is an essential component for the wheel assembly of various Welger AP and RP series balers. It ensures proper wheel rotation and structural integrity. Confirmed fitment includes Welger AP 41, AP 42, AP 45, AP 50, AP 51, AP 52, AP 53, AP 61, AP 63, AP 71, AP 73, AP 83, RP 12, RP 15, RP 15 S, RP 100, RP 120, RP 150, RP 150 S, RP 200, RP 200 S, RP 220, RP 220 S, RP 235, RP 235 S, RP 300, RP 300 S, RP 320, RP 320 S, RP 400, RP 400 S, RP 435, RP 435 S, RP 500, RP 500 S, RP 520, RP 520 S, RP 535, and RP 535 S models.