Oregon SCAG Spindle Assembly – Replaces 46631

This replacement spindle assembly is designed for Scag mowers equipped with cast iron spindle assemblies. Built for durability and reliable cutting performance, this spindle replaces several OEM Scag spindle assemblies including Scag part number 46631.

Manufactured to meet demanding mowing conditions, this spindle assembly restores smooth blade rotation and consistent deck performance. 

Key Features & Benefits

• Direct Replacement: Replaces Scag OEM spindle 46631.
• Designed for Cast Iron Spindle Decks: Fits many Scag commercial mower models.
• Heavy-Duty Construction: Built to withstand commercial mowing conditions.
• Restores Cutting Performance: Ensures proper blade rotation and deck operation.

Important Service Note

This spindle assembly ships without grease and must be properly serviced before use.

Replaces Scag Part Numbers

• 46020
• 461663
• 46400
• 46631

Fitment

Fits numerous Scag mower models using cast iron spindle assemblies, including but not limited to:

• 348 Series
• 469 Series
• SCR42-25CH
• SCR48-25CH
• SCR48-27KA
• SCR52-25CH
• SCR52-27KA
• SCZ48V-22FX
• SCZ48V-23CV
• SCZ48V-25CV
• SCZ48V-26BS
• SCZ48V-28BS
• SCZ48V-691FX
• SCZ52V-23FX
• SCZ52V-25CV
• SCZ52V-25CV-EFI
• SCZ52V-26BS
• SCZ52V-27CV
• SCZ52V-28BS
• SCZ52V-730FX
• SCZ61RD-31FX
• SCZ61RD-921FX
• SCZ61V-27FX
• SCZ61V-31FX
• SCZ61V-32BV
• SCZ61V-32CV
• SCZ61V-34CV-EFI
• SCZ61V-34KH
• SCZ61V-36BV
• SCZ61V-850FX
• SCZ61V-921FX
• SCZ72V-31FX
• SCZ72V-32CV
• SCZ72V-34CV-EFI
• SCZ72V-34FX
• SCZ72V-34KH
• SCZ72V-36BV
• SCZ72V-921FX
• SM Series
• SMT Series
• SMTC Series
• SMST Series
• SMZ Series
• SSZ Series
• ST Series
• STC Series
• STG Series
• STH Series
• STHM Series
• STZ Series
• SW Series
• SWZ Series