A mm: M14 x 1.5. -Size: M14 x 1.5. Fits Case IH Models: 1046, 1055, 1055XL, 1056, 1056XL, 1246, 323, 353, 383, 423, 433, 440, 453, 523, 533, 540, 553, 624, 633, 640, 644, 654, 724, 733, 740, 743, 743XL, 744, 745, 745S, 745XL, 824, 833, 840, 844, 844S, 844XL, 845, 845XL, 856, 856XL, 940, 946, 955, 955XL, 956, 956XL.