EAF17375D Years: 1953-64 Tachometer (Proofmeter) Drive Adapter Shaft. Fits Ford Tractors:1801, 1811, 1821, 1841, 1871, 1881, 2000 4 cylinder, 2030, 2031, 2110 4 cylinder, 2111, 2120 4 cylinder, 2121, 2130, 2131, 4000 4 cylinder, 4030 4 cylinder, 4031, 4040, 4110 4 cylinder, 4120, 4121, 4130 4 cylinder, 4131, 4140 4 cylinder, 501, 541, 600, 601, 611, 620, 621, 630, 631, 640, 641, 650, 651, 660, 661, 671, 681, 700, 701, 740, 741, 771, 800, 801, 811, 820, 821, 840, 841, 850, 851, 860, 861, 871, 881, 900, 901, 940, 941, 950, 951, 960, 961, 971, 981, Golden Jubilee, Jubilee, NAA, NAB.