New 10 spline 12 1/4" pto clutch disc. This fits Ford/New Holland TL100, Landini 6860, 6870, 7860, 7870, 8870, 8880, 9880, Massey 1007, 154, 154-4, 174, 174-4, 174-4S, 184, 194-4, 233C, 233F, 233S, 234C, 234S, 253-4, 254-4, 273-4, 274-4, 283-4, 284-4, 293-4, 373, 384, 384S, 387, 394, 394S and 397T. Thanks