83960462 Reverse Transmission Gear Fits Ford Tractor 3550 4000 535 540 5000 6600One New Aftermarket Replacement Reverse Transmission Gear Fits Ford New Holland Industrial Construction Models: 3550, 4400, 535, 540, 545 Also Fits Ford New Holland Tractor Models: 2610, 2810, 2910, 335, 340, 3400, 3610, 3900, 3910, 4000, 4010, 4410, 4600, 4610, 5000, 5100, 5110, 5600, 5610, 5900, 6410, 6600, 6610, 6700, 6710, 6810, 7100, 7200, 7600, 7610, 7700, 7710 Dim A (1) 28 32 Teeth Dim B (2) 1. 800" I. D. Dim C (3) 4. 800" O. D. Replaces Part