8TEN Spindle for Cub Cadet 42-Inch Deck - Replaces 918-06976/918-06976A, OEM Fit & Sealed Bearings

The 8TEN spindle replaces Cub Cadet/MTD 918-06976 and 918-06976A spindles to restore reliable blade rotation and consistent mower cuts on 42-inch decks.

When a worn or damaged spindle causes vibration, uneven grass heights, or noisy operation, swapping in a quality replacement spindle is a fast way to bring your 42-inch mower deck back to peak performance. This 8TEN spindle is built to match OEM fit and function for multiple Cub Cadet and MTD models, including XT1-LT42 and XT2-LX42 tractors, and offers the sizing and thread specs you need for a direct, trouble-free swap.

Which machines will this spindle fit?

This spindle is compatible with various Cub Cadet and MTD 42-inch decks that use the OEM part series 618-06976 / 918-06976. Check your tractor’s parts list or existing spindle numbers to confirm compatibility before buying.

• Fits Cub Cadet models: XT1-LT42, XT1-LT42 C, XT2-LX42 KH, XT2-LX42 KW.
• Works with MTD 42" deck models: CY42220 and CY4220SE.
• Replaces OEM numbers: 618-06976, 618-06976A, 918-06976, 918-06976A.

How does this spindle affect cutting quality?

A healthy spindle keeps the mower blade stable and concentric, which reduces scalloping and uneven strips in the turf. By restoring correct blade height and rotation, this spindle helps the deck produce a cleaner, more consistent cut each pass.

• Spindle height 6 3/16" supports correct blade clearance and deck alignment.
• Pulley outside diameter 5 1/2" maintains belt engagement and tension.
• 5/8"-18 UNF thread matches standard mounting hardware for secure fastening.

What should I know about installation and durability?

Installation is straightforward for anyone familiar with small engine or mower deck work; basic hand tools and a safe deck support are required. The spindle is engineered to OEM dimensions so it bolts in without modification, and heavy-duty bearings and housing help it resist wear from normal lawn use.

• Designed to match OEM dimensions for direct replacement—no machining needed.
• Robust housing and sealed bearings reduce maintenance and extend service life.
• Ideal for routine repairs after bearing failure, collision damage, or long-term wear.

How can I verify I’m ordering the correct part?

Compare the part numbers stamped on your old spindle or consult your mower’s parts diagram to ensure a correct match. Confirm the listed dimensions — spindle height, pulley diameter, and thread pitch — against the existing component.

• Match OEM numbers: 618-06976 / 918-06976 variants before purchase.
• Verify measurements: 6 3/16" height, 5 1/2" pulley OD, 5/8"-18 UNF thread.
• If unsure, take a photo or reference your mower model and serial number when ordering.

Who is this for: This 8TEN spindle is aimed at lawn equipment owners and repair technicians who need a reliable, OEM-compatible replacement for 42-inch Cub Cadet or MTD decks. It’s a practical choice for anyone restoring proper blade function after bearing failure, accidental damage, or long years of service, and for DIY mechanics who prefer a direct-fit part that simplifies repair and cuts downtime.