8N7100 1st Gear Fits Ford/New Holland 2130 3500 3500 2000 2100 2110 2120 21One New Aftermarket Replacement 1st Gear that Fits Ford New Holland Industrial Construction models: 2130, 3500, 3550 Tractor Models: NAA, NAB, 2000, 2100, 2110, 2120, 2150, 2300, 2310, 3000, 3055, 3100, 3110, 3120, 3150, 3190, 3300, 3310, 3330, 3400, 4000, 4000SU, 4031, 4040, 4120, 4121, 4130, 4131, 500 SERIES, 600 SERIES, 700 SERIES, 8N, 800 SERIES 60 28 Teeth Replaces Part Number: 8N7100 RA