UDC Parts Spindle Assembly for 46" Cub Cadet Mowers 918-06977A — Complete Kit, 6-1/4" Pulley

UDC Parts 918-06977A is a direct-fit replacement spindle assembly engineered to restore cutting performance on 46-inch Cub Cadet, Troy-Bilt, Craftsman and compatible MTD decks.

This heavy-duty spindle assembly replaces OEM numbers like MTD 918-06977A, 490-130-C014, and related part codes to get your mower back to reliable operation. Built with robust materials and supplied with mounting hardware, the unit is sized to match common 46-inch decks and pulleys so you can complete the swap with minimal adjustment. The assembly includes the spindle housing, pulley, and the fasteners needed for blade and deck mounting, making it a practical spare or repair component for lawn equipment owners and maintenance technicians.

How will this spindle assembly improve my mower's cutting deck?

Replacing a worn or damaged spindle restores blade stability and pulley alignment, which reduces vibration and delivers a cleaner, more even cut. The UDC Parts spindle is manufactured to match OEM dimensions so it fits existing mounting points and belt paths.

• Includes spindle, pulley, blade bolt, pulley lock nut, washer, and four mounting bolts for a complete swap.
• 6-1/2" overall height and 6-1/4" outer pulley diameter to match 46" deck geometry.
• 6-point star pulley for secure belt engagement and reduced slippage.

Which mower models and OEM numbers is this compatible with?

This spindle is compatible with a range of MTD, Cub Cadet, Troy-Bilt, and Craftsman 46" decks that use the listed OEM part numbers. Check your deck’s parts diagram or compare dimensions to confirm fit before installation.

• Replaces OEM numbers: MTD 918-06977A, 490-130-C014, 618-06977A, 618-06977, 918-06977.
• Fits Cub Cadet XT1-LT46, XT2-LX46 (various suffixes) and assorted XT1/XT2 46" decks and zero-turn mowers.
• Also fits Troy-Bilt and Craftsman models listed in product specs and many MTD 46" deck applications.

What comes in the box and what tools do I need to install it?

The assembly ships with all primary fasteners required for mounting the spindle and blade so you won’t need to hunt for replacement bolts. Typical installation requires basic shop tools and safety equipment; follow torque specs from your mower manufacturer for secure assembly.

• Package contents: 1 spindle assembly, 4 mounting bolts, 1 blade mounting bolt, 1 pulley lock nut, 1 washer.
• Common tools: socket set, torque wrench, pry bar or belt tool, safety gloves, eye protection.
• Tip: support the deck and remove the belt before loosening spindle bolts to avoid injury and misalignment.

Will this spindle withstand regular lawn care and heavy use?

UDC Parts designs replacement spindles to be durable under typical mowing conditions when properly installed and maintained. While no part is indestructible, correct installation, balanced blades, and routine deck maintenance extend service life significantly.

• Constructed from durable materials for longevity under normal residential and light commercial use.
• Precision-machined pulley and spindle surfaces reduce wear and promote even belt tracking.
• Recommended: inspect bearings and hardware periodically and replace worn belts to avoid premature spindle stress.

Who is this for: The UDC Parts 918-06977A spindle assembly is aimed at homeowners, landscapers, and repair shops that service 46-inch decks on Cub Cadet, Troy-Bilt, Craftsman and compatible MTD machines. It suits anyone needing a direct-fit replacement to restore deck function—whether you’re performing a DIY repair or stocking parts for routine maintenance.