ID: 3 11/16" (94mm) OD: 5 5/8" (144mm) includes 6 tabs.Fits Massey Ferguson models 1080 1085 135 150 165 175 180 235 Indust/Const 245 255 265 270 275 285 290 298 35 375 50 50 Indust/Const 65 85 88 90 FE135Replaces 185464M1