1538M (Series 7750-452cc OHV) 2T2520483/M16. 1228H (Series 7250-WM12.5) 2T1524483/UM9. 1228H (WM12.5 OHV) 2T1524483/UM9 2T1124483/UM9. 1436H (WM13.5 OHV) 2T0420483/M10 299964483/UM8. Fits the following Mountfield / Stiga Models, will fit other models we have missed, as to many to list all.
