918-06989 618-06989 Spindle Assembly for MTD Troy-Bilt 46" Deck T1600 LT4600

Product Overview

This aftermarket replacement spindle assembly is intended for MTD and Troy-Bilt 46 inch deck applications and cross-references part numbers 918-06989 and 618-06989. A spindle assembly supports the rotating blade spindle on a riding mower deck, helping the cutting blades turn as the deck operates. It is supplied for the listed T1600 and LT4600 applications.

Key Features & Performance

• Supports the blade spindle function on the listed 46 inch mower deck applications
• Cross-references part numbers 918-06989 and 618-06989 for comparison with the existing component
• Intended for MTD and Troy-Bilt 46 inch deck applications including T1600 and LT4600
• Used when servicing or replacing a worn or damaged spindle assembly on the mower deck

Fitment & Compatibility

• for MTD 46 inch deck applications
• for Troy-Bilt 46 inch deck applications
• for MTD T1600 applications
• for MTD LT4600 applications

Common Uses

• Replacing a worn, noisy, or damaged spindle assembly on a mower deck
• Servicing the blade drive system during routine mower deck maintenance
• Restoring normal blade rotation after the existing spindle assembly has failed

Technical Specifications

• Product Type: Spindle Assembly
• Part Number(s): 918-06989, 618-06989
• Model Application(s): T1600, LT4600
• General Application: MTD and Troy-Bilt 46 inch decks

Frequently Asked Questions

Q: What does a spindle assembly do? A: A spindle assembly supports the rotating spindle that carries the mower blade, allowing the blade to turn as the deck operates.

Q: How should fitment be verified? A: Compare the complete existing part number and the complete equipment model designation, such as 918-06989 or 618-06989 and T1600 or LT4600, against the information supplied before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.