Spindle Shaft for MTD,Cub Cadet,Troy Bilt 738-0927 Quality aftermarket Spindle Shaft Replace MTD,Cub Cadet,Troy Bilt 738-0927 5-1/8" Long, 5/8-18 UNF Thread. 6 stars blade adapter. Shaft for 618-0240,918-0240,618-0430,918-0430 spindle assemblies.