ILONPA 918-06977 618-06977 Spindle Assembly - Fits 46 inch Mower Decks for Cub Cadet XT1-LT46 XT2-LX46 & for Craftsman T240 T225 T8200 T8600 T3100 T2800 - Replaces 618-06977A 918-06977A

What It Is

This is a replacement spindle assembly for the cutting blades on 46-inch lawn mower decks. It’s designed for residential Cub Cadet and Craftsman tractors, replacing worn or damaged spindles that cause blade wobble, vibration, or uneven cutting.

Fitment & Compatibility

Before buying, confirm your mower has a 46-inch deck (measure deck width, not the tractor model number). This spindle fits Cub Cadet XT1-LT46, XT2-LX46, and Craftsman T240, T225, T8200, T8600, T3100, T2800 models. It replaces OEM part numbers 618-06977A and 918-06977A. Check your existing spindle’s part number or look for the stamped number on the housing. Measure the spindle shaft diameter (typically 5/8 inch) and bolt pattern—this is a three-bolt, triangle-pattern mount. Verify your deck uses greaseable spindles; if your original has sealed bearings, this may not be compatible.

Key Things to Know

• Quality: At $28.99, this is an aftermarket part. Some users report shorter bearing life than OEM, especially under heavy use or wet grass. Inspect the bearings for smooth rotation before installation.
• Installation: Moderate difficulty. You’ll need a socket set, a torque wrench (tighten mounting bolts to 30-40 ft-lbs), and possibly a puller to remove the old spindle. The blade bolt is reverse-threaded on most models—turn clockwise to loosen.
• Common Gotchas: The included bolts may be slightly different length than OEM—check clearance with the blade. If your deck has a spindle brake, this assembly may not include the brake bracket; reuse your original. Always replace all three spindles at once if one fails to avoid uneven deck balance.
• Lubrication: This spindle has a grease fitting. Grease it before first use and after every 10 hours of mowing to extend life.

Should You Buy It

If you have a 46-inch Cub Cadet or Craftsman tractor, need a budget-friendly replacement, and are comfortable with moderate DIY work, this is a reasonable choice. But if you mow commercially or have heavy-duty use, spend more on OEM for longer bearing life and consistent fit.