One New Aftermarket Replacement Steel Seat with Flip-Up Tray Fits Ford/New Holland Tractor Models Fits the following models: Fits Ford Construction Industrial(s) 1801, 1811, 1821, 1841, 1871, 1881, 4040, 4140 Fits Ford NAA, Super Major, 2N, 8N, 9N, 600, 601, 620, 621, 630, 631, 641, 650, 651, 661, 671, 681, 700, 701, 740, 741, 771, 800, 801, 820, 850, 851, 860, 861, 900, 901, 941, 950, 951, 960, 961, 971, 981, 1800, 2000, 2031, 2100, 2110, 2111, 2120, 2130, 2131, 2300, 2600, 2610, 3055, 3100, 3110, 3120, 3150, 3300, 3310, 3330, 3400, 3500, 3600, 3900, 4000, 4031, 4100, 4110, 4120, 4121, 4130, 4131, 4140, 4200, 4330, 4340, 4400, 4410, 4500, 4600, 5000, 5100, 5200, 5340, 5600, 5700, 6600, 6700, 7000, 7100, 7200, 7600Technical information: For reversible seat replaces part: C5NN400AE