50" Deck Rebuilt Kit 918-05016 Spindle for Cub Cadet LTX1050, LTX1050KH LTX1050VT SLTX1050, Includes 3 Spindles 618-05016 618-04825, 3 Blades 742-04053, 2 Idlers 753-08171, 162" Belt 754-04240

What It Is

This is a complete 50-inch deck rebuild kit for select Cub Cadet LTX and SLTX series lawn tractors. It includes three spindles, three blades, two idler pulleys, and a drive belt—everything needed to refresh a worn-out cutting deck in one purchase.

Fitment & Compatibility

Before buying, confirm your mower has a 50-inch stamped steel deck (not fabricated). This kit fits Cub Cadet LTX1050, LTX1050KH, LTX1050VT, and SLTX1050 models. The spindles (618-05016, 618-04825) are aftermarket replacements for OEM Cub Cadet parts. Check your deck’s blade bolt pattern: these blades (742-04053) use a 5-point star center hole and measure 16.5 inches long. The belt (754-04240) is a 162-inch, 5/8-inch wide Kevlar-reinforced belt. Verify your deck’s idler pulley diameter matches the included 753-08171 pulleys (typically 4 inches). If your mower has a different deck size (e.g., 46-inch or 54-inch), this kit will not fit.

Key Things to Know

• Installation difficulty: Moderate. Requires removing the deck, disassembling spindles, and tensioning the belt. Basic socket set, jack, and safety stands needed. Expect 2–3 hours.
• Quality note: Aftermarket spindles may have slightly looser bearing tolerances than OEM. Grease them before installation and check for smooth rotation. Some users report shorter spindle life (2–3 seasons vs. 4–5 for OEM).
• Common gotcha: The idler pulleys may use a different shoulder bolt size than your original. Keep your old hardware; you may need to reuse it. Belt tension is critical—too tight damages spindles, too loose causes slipping.
• Blade compatibility: These blades are standard-duty. If you mow thick, wet grass or rocky terrain, upgrade to premium or mulching blades separately.

Should You Buy It

If your Cub Cadet’s deck is vibrating, cutting unevenly, or the belt is frayed, this kit is a cost-effective way to restore performance. It’s ideal for DIYers who want a single purchase to replace all wear items at once. Skip it if you only need one spindle or blade (buy individually) or if you prefer OEM parts for longer lifespan.