[Lifetime Warranty] [Upgraded Grip120] 754-04240 954-04240 Mower Deck Belt - for 50 Inch Cub Cadet SLTX1050 LTX1050VT LTX1050KW LTX1050KH MTD Craftsman PYT9000 YT950KH | 1/2" x 162.9"
Green 754-04240 mower deck belt in BlueStars branded packaging for 50-inch lawn mowers.
Comparison graphic showing BlueStars mower deck belt stability versus standard belts prone to slipping and tearing.
Infographic showing 754-04240 mower deck belt performance features including fatigue life and bonding strength.
Infographic showing 3-layer material construction of 754-04240 mower deck belt with aramid cords and heat-resistant rubber.
754-04240 mower deck belt compatibility chart for Cub Cadet and Craftsman 50-inch lawn mowers.
Informational guide for selecting the correct 754-04240 mower deck belt for 50-inch cutting decks.
Infographic showing 754-04240 mower deck belt and drive belt compatibility chart for Cub Cadet and Craftsman mowers.
Infographic showing 754-04240 mower deck belt installed on a Cub Cadet riding lawn mower to fix common cutting issues.
Green 754-04240 mower deck belt in BlueStars branded packaging for 50-inch lawn mowers.
Comparison graphic showing BlueStars mower deck belt stability versus standard belts prone to slipping and tearing.
Infographic showing 754-04240 mower deck belt performance features including fatigue life and bonding strength.
Infographic showing 3-layer material construction of 754-04240 mower deck belt with aramid cords and heat-resistant rubber.
754-04240 mower deck belt compatibility chart for Cub Cadet and Craftsman 50-inch lawn mowers.
Informational guide for selecting the correct 754-04240 mower deck belt for 50-inch cutting decks.
Infographic showing 754-04240 mower deck belt and drive belt compatibility chart for Cub Cadet and Craftsman mowers.
Infographic showing 754-04240 mower deck belt installed on a Cub Cadet riding lawn mower to fix common cutting issues.
Lifetime Warranty

[Lifetime Warranty] [Upgraded Grip120] 754-04240 954-04240 Mower Deck Belt - for 50 Inch Cub Cadet SLTX1050 LTX1050VT LTX1050KW LTX1050KH MTD Craftsman PYT9000 YT950KH | 1/2" x 162.9"

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754-04240 954-04240 Mower Deck Belt (1/2" x 162.9")

Key Features

  • Belt Type: Deck Belt
  • Width: 1/2 inch
  • Outer Circumference: 162.9 inches
  • Material: Aramid fiber reinforced construction for durability and heat resistance
  • Design: Advanced high-grip compound for reduced slippage

Replaces / Cross-Reference Part Numbers

  • 754-04240
  • 954-04240

Compatibility & Fitment

  • Deck Size: 50 inches
  • Cub Cadet Models: SLTX1050, LTX1050VT, LTX1050KW, LTX1050KH
  • Craftsman Models: PYT9000, YT950KH
  • Also fits select MTD models requiring the specified part numbers.

When to Replace

  • Visible signs of wear such as cracking, fraying, or glazing
  • Belt slipping, causing uneven cutting or loss of blade speed
  • Stretching or deformation, leading to incorrect tension
  • Audible squealing or chirping during operation

Installation Tips

  • Before installation, disconnect the spark plug wire for safety.
  • Consult your mower's owner or service manual for the correct belt routing diagram.
  • Inspect all pulleys for damage or debris and ensure they spin freely.
  • After installation, verify proper tension and alignment as per the manufacturer's specifications.

FAQ

This belt is designed for 50-inch deck lawn tractors requiring part numbers 754-04240 or 954-04240. It fits various Cub Cadet models, including the SLTX1050, LTX1050VT, LTX1050KW, and LTX1050KH, as well as MTD and Craftsman applications such as the Craftsman PYT9000 and YT950KH. Because MTD-built tractors are sold under multiple brands, the most reliable way to confirm fitment is to match your mower's exact OEM belt number and deck size.
This belt replaces OEM part numbers 754-04240 and 954-04240. It also cross-references with OCC-754-04240, 75404240, 95404240, and Toro 86-1960. Matching your existing part to one of these numbers ensures a correct replacement.
Typical symptoms include blades failing to engage, weak or inconsistent cutting, a burning rubber smell, squealing when the PTO is engaged, visible cracking or frayed belt edges, or the belt repeatedly jumping off the pulleys. On 50-inch decks, a stretched belt can also lead to poor blade speed and uneven cut quality, even if the belt has not yet snapped.
For most lawn tractor owners, this is a moderate repair that takes between 30 and 90 minutes, depending on deck access and whether you choose to remove the deck from the tractor. Essential tools include a socket or wrench set, pliers for retaining clips, and a breaker bar or ratchet to relieve tension from the idler system. We recommend taking a photo of the original belt routing before removal to ensure the new belt is installed correctly.
Common causes include normal wear, heat buildup from slipping, seized or rough spindle bearings, worn idler pulleys, weak tension springs, and debris packed around the pulleys. Striking stumps or heavy mowing in wet grass can also overload the belt. If a new belt fails prematurely, inspect the spindle pulleys, idlers, belt keepers, and spring tension to identify the underlying mechanical issue.
Verify that your mower has a 50-inch deck and that your original belt matches part number 754-04240, 954-04240, or one of the listed cross-references. Before installing the new belt, ensure all pulleys spin smoothly, the idler arm moves freely, the belt guides are not bent into the belt path, and the deck is clear of packed grass. It is also advisable to inspect spindle bearings and pulley alignment to ensure the new belt tracks properly.
Minor variations in advertised length are often due to different rounding methods. This belt is approximately 1/2 inch wide and measures between 162 and 162.9 inches in length. For accurate fitment, matching the OEM part number is more important than slight discrepancies in the stated length.