Mtd 618-0240 Spindle Assembly Genuine Original Equipment Manufacturer (OEM) Part Spindle Assembly Including Pulley to Replace MTD 618-0240 (A, B, C) 918-0240 (A, B, C) Also for 618-0430 (A, B,or C), 918-0430 (A, B, or C) Includes spindle assembly and pulley 5" OD (pulley part number 756-0969 or 756-1187) New style, longer housing (shaft is same length) for better bearing protection. 3 point star for use with MTD 6 point star blades (or aftermarket variations) See Photo