3-Pack MTD CUB CADET SPINDLE & GATOR BLADE 918-04126 618-04126 / 742-04053A 742-04056 i1050 LT SLT RZT MOWERS 3 Spindles to Replace 618-04125 / 918-04125 / 918-04126A / 618-04126 This is for the LT, SLT, and RZT SERIES MOWERS Used on Blades with STAR Pattern / Spindle Assembly Includes Pulley. 3 GATOR BLADES 742-04053A / 742-04056 Pulley is 5 3/4" Diameter.