R0896 - Tractor Ignition Key Switch with Keys Tractor Ignition Key Switch with Keys. 2 Wire - 3/4 Inch Thread Diameter Fits FORD 1801 2000 2100 2N 4000 501 600 601 700 701 800 801 8N 900 901 9N NAA Jubilee Fits CO-OP E2 E3 E4 E5, Fits COCKSHUTT 20 30 35 40 50 Golden Eagle, Fits OLIVER 77 88 Fits ALLIS CHALMERS B C CA D14 WD WD45, Fits CASE VA VAC VAH VAI VAO VC Fits MASSEY FERGUSON 35 50 65 F40 TE20 TO20 TO30 TO35. Fits MASSEY HARRIS 101 Jr 101 Sr 102 Jr +