MTD CUB CADET SPINDLE & GATOR BLADE 918-04126 618-04126 742-04053A 742-04056 i1050 LT SLT RZT MOWERSProduct ReviewP Click on the link for more reviewsP3 Spindles to Replace 618-04125 918-04125 918-04126A 618-04126PThis is for the LT, SLT, and RZT SERIES MOWERSPUsed on Blades with STAR Pattern Spindle Assembly Includes Pulley.P3 GATOR BLADES 742-04053A 742-04056PPulley is 5 34" Diameter.