30138800 Spindle Assembly – Ariens / Gravely Genuine OEM Aluminum Spindle Sub 22225 or lose tread due to

or lose tread due to heavy loads and outdoor exposure

Keep the air filter housing clean

Inspect the pulley during belt service for noise

(Always confirm compatibility by model and serial number before ordering

Husqvarna: H36-55

30138800 Spindle Assembly – Ariens / Gravely Genuine OEM Aluminum Spindle Sub 22225 or lose tread due to30138800 Spindle Assembly Ariens Gravely Genuine OEM Aluminum Spindle Sub The Ariens Gravely 30138800 Aluminum Spindle Assembly is a genuine OEM replacement spindle sub assembly designed for zero turn mower cutting decks. This heavy duty aluminum spindle supports smooth blade rotation, proper belt engagement, and reliable cutting performance. Commonly used on Ariens and Gravely ZT X and ZT XL series mowers, this spindle assembly is an essential