46" Deck 618-04865 Rebuild Kit Fits for Cub Cadet MTD LT2000 LT2200 LTX1045 LTX1046 LTX1046VT, Includes 2 Spindles 918-04865A 618-04636, 2 Idler 753-08171, 2 Blades 942-04244, 103" Belt 954-04219

What It Is

This is a complete 46-inch deck rebuild kit for Cub Cadet and MTD lawn tractors, containing two spindle assemblies, two idler pulleys, a drive belt, and two blades. It’s designed for restoring cutting performance and deck function on mid-size residential tractors like the LT2000 and LTX series.

Fitment & Compatibility

Before buying, confirm your mower has a 46-inch stamped steel deck (not fabricated). This kit fits Cub Cadet models LT2000, LT2200, LTX1045, LTX1046, and LTX1046VT, plus many MTD equivalents with the same deck. Check your deck’s spindle bolt pattern—these use a 3-hole mount with 1.5-inch center-to-center spacing. The belt is 103 inches long, 1/2-inch wide, type A-section. Verify your deck’s belt routing matches the diagram for this kit (typically a 3-spindle, 2-pulley idler system). OEM part numbers for reference: spindles 918-04865A/618-04636, idlers 753-08171, blades 942-04244, belt 954-04219. Aftermarket spindles may have slightly different bearing seals; measure spindle shaft diameter (should be 1 inch) and pulley size (4.5 inches).

Key Things to Know

• Quality: Spindles include sealed bearings and a steel housing; blades are medium-duty (0.25-inch thick, 18.5 inches long). Idler pulleys have shielded bearings—acceptable for residential use but not commercial-grade.
• Installation Difficulty: Moderate. You’ll need a socket set, torque wrench, and possibly a puller for old spindles. Expect 1-2 hours. The belt can be tight; use a belt tensioner tool or lever to route it.
• Common Gotchas: The idler arm spring tension is critical—too loose and the belt slips, too tight and it wears pulleys. Replace deck belt guides if worn. Check blade bolt torque (typically 70-90 ft-lbs). Spindle bolts often seize; soak with penetrating oil before removal.
• Belt Length: A 103-inch belt is specific to this deck—using a 102- or 104-inch belt will cause poor engagement or blade speed issues.

Should You Buy It

Buy this kit if your 46-inch Cub Cadet or MTD deck has worn spindles (noisy, wobbly) and you want a single-source refresh with matched components. It’s a good value for residential mowing up to 2 acres, but skip it for heavy commercial use—those need heavier-duty spindles and blades.