Spindle Assembly
- Includes pulley. Does not include mounting screws
- 618-04438
- 618-04438A
- 618-04438B
- 618-04438C
- 918-04438
- 918-04438A
- 918-04438B
Specs & Pledge
Specifications
- Series Spindle
Blade Specifications
- Deck Cutting Width 33 in
Spindle Specifications
- Spindle Pulley Diameter 5.75 in / 5.9 in
- Spindle Shaft Pattern Bow Tie

Shop with Confidence
Avoid frustration when buying parts, attachments, and accessories with the Troy-Bilt Right Part Pledge. If you purchase the wrong part from Troy-Bilt or a Troy-Bilt authorized online reseller, Troy-Bilt, or your Troy-Bilt authorized online reseller will work with you to identify the correct part for your equipment and initiate a free exchange. See full terms and conditions.

Fast, Free Shipping
Parts orders over $50 ship free.*All orders placed before 5 pm ship next day. Standard shipping averages 3 business days for delivery. Expedited shipping is available.
*Some exclusions apply. Read full shipping policy.

Hassle Free Returns
We'll make sure you get the right part. Enjoy 90-day returns for unused parts and we won't penalize you for ordering the wrong part when you follow our return policy.*
*Some exclusions apply. Read full returns policy.

Chat with Experts
Our outdoor power equipment experts are just one click away through Live Chat. Available Mon-Fri 9am - 7pm EDT.
Phone support also available:
1-800-828-5500