Erie Tools Three (3) Pack Spindle Assembly Fits Short MTD 717-0912 917-0912 Model 806 46" Mower Deck H Fits 86 series with 46" deck 917-0912 For 46" cut, center and right hand For 44" cut, outer spindle Spindle assembly replaces MTD-917-0912. Fits model 806 series Depending on Mower Model, 2 or 3 Spindles ay be required