Spindle Assy., for 46" deck, fits star hole blades, RH and center for 800 series, uses single pulley, 1993 to 1996, (3) for 600 series riders, (2) for 800 series riders, use Oregon 45-259 bearing, use Oregon spinle shaft 85-046, includes Oregon 98-057 blade. Replaces: MTD 618-0116, 618-0116, 918-0116, P/N 82-512