Sale!
30138800 Spindle Assembly – Ariens / Gravely Genuine OEM Aluminum Spindle Sub

30138800 Spindle Assembly – Ariens / Gravely Genuine OEM Aluminum Spindle Sub

Original price was: $95.95.Current price is: $28.79.

SKU: 30138800 Category: Tag:

Description

30138800 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 replacement part for worn, noisy, or damaged deck spindle systems.

Product Details

  • Part Number: 30138800

  • Brand: Ariens / Gravely

  • Part Type: Aluminum Spindle Assembly (Spindle Sub)

  • Application: Mower Deck Spindle

  • OEM Status: Genuine Ariens / Gravely OEM Replacement Part

  • Condition: New

Function

The Ariens / Gravely 30138800 spindle assembly is designed to:

  • Support mower blade rotation on the cutting deck

  • Maintain smooth, consistent cutting performance

  • Reduce vibration and improve deck reliability

  • Replace worn or damaged spindle housings and bearings

Compatibility

This spindle assembly fits Ariens / Gravely zero-turn mower decks, including:

Ariens ZT X Series

  • ZT X 42″ (Models 918007, 918008)

  • ZT X 48″ (Model 918009)

  • ZT X 52″ (Models 918010, 918011)

Ariens ZT XL Series

  • ZT XL 42″ (Model 918012)

  • ZT XL 48″ (Model 918013)

  • ZT XL 52″ (Models 918014, 918015)

  • ZT XL 60″ (Model 918016)

Used in deck sections such as:

  • Deck, Belts, Blades and Spindles

  • Deck, Belt, Baffles, Blades and Spindles

  • Quick Reference Service Parts

⚠️ Always confirm your mower model and deck size before ordering to ensure correct fitment.

Installation / Usage

  • Remove the mower deck and disconnect the belt

  • Remove the damaged spindle assembly

  • Install the new 30138800 spindle sub-assembly

  • Reinstall the blade, belt, and deck components

  • Check proper belt tension and blade alignment before operation

Maintenance Tips

  • Inspect spindles regularly for noise or vibration

  • Keep the deck clean to prevent premature bearing wear

  • Replace spindle assemblies if blades wobble or cut unevenly

  • Torque mounting hardware to manufacturer specifications

Related products