618P09236 SPINDLE ASSEMBLY OEM Cub Cadet MTD for blades with S-Shape Pattern center hole.  The pulley has 756-05038 stamped on it.

alt. 618-09236

FITS MODELS: XT1-GT54 FAB, XT1-ST54 FAB, ZT1-54 FAB ULTIMA, ZT2-54 FAB ULTIMA.

The mounting holes are smooth from factory.  The self tapping bolts used to mount the spindle to the deck are not included.