MTD Genuine Parts 50" Rotary Blade Set — 50-inch 3-Blade Kit for Cub Cadet/Massey, OEM-fit balanced cut

MTD Genuine Parts 50" Rotary 15454 is a three-blade replacement kit engineered to restore cutting performance on compatible 50-inch Cub Cadet, Massey and similar zero-turn and lawn tractor decks.

This blade set includes factory-compatible blades designed to fit models using part numbers such as 942-05052A and MF50-22ZT. Each blade in the set matches the original equipment geometry to help maintain a balanced deck, even cutting swath, and reliable mounting clearance. The kit is sold as a unit for 50-inch decks that require three matching rotary blades.

What machines use this 50" rotary blade set?

This set is intended for 50-inch mower decks found on select Cub Cadet, MTD and Massey lawn tractors and zero-turn mowers. Confirm compatibility by checking your deck size and OEM part numbers before purchase.

• Compatible OEM references: 942-05052A, 15454, MF50-22ZT.
• Fits many 50" decks that use three blades with the same mounting pattern.
• Designed for direct replacement of worn or damaged factory blades.

How does this blade set affect cutting performance?

Replacing old blades with matching factory-style blades restores the deck’s original cutting profile and balance, improving stripe quality and reducing scalping. Properly sharpened and balanced blades also reduce vibration and wear on spindles and linkages.

• Original blade geometry preserves lift and discharge patterns.
• Balanced trio minimizes vibration for smoother operation.
• Sharper edges mean cleaner cuts and healthier turf appearance.

How do I install and maintain these blades safely?

Installation requires basic tools and attention to torque and blade orientation; always disconnect the spark plug before working on the deck. Regular inspection and timely sharpening keep blades cutting efficiently and extend their service life.

• Remove battery or disconnect spark plug for safety.
• Replace blades with the cutting edges oriented in the original direction and torque bolts to OEM specs.
• Check blade balance after sharpening and inspect for cracks or bends regularly.

What materials and quality checks are used in this set?

These are MTD Genuine Parts produced to match factory steel hardness and heat treatment protocols, ensuring durability under typical mowing conditions. Each blade is formed and finished to fit OEM mounting holes and angles.

• Manufactured to OEM dimensional tolerances for a direct fit.
• Heat-treated steel resists premature wear and edge deformation.
• Finished to prevent corrosion during storage and initial use.

Who is this for: Homeowners and property managers who own 50-inch lawn tractors or zero-turn mowers from Cub Cadet, MTD or Massey that need a direct-fit replacement to restore factory cutting performance. It’s also suitable for service shops and equipment fleets that prefer OEM-matching blades to maintain deck balance, reduce downtime, and achieve consistent mowing results.