John Deere GX21784 blade set in packaging, OEM quality for reliable mowing.
GX21784 blade edge close-up showing sharp, durable cutting edge.
Blades installed on a 48-inch mower deck for precise compatibility.
John Deere GX21784 blades ready for quick replacement and maintenance.

John Deere

John Deere GX21784 OEM Mower Blades - Set of 3 | 48-Inch Deck Compatible

High-performance patio lawn and garden made for confident daily results

$56.74

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Why customers choose PatioZora Garden

Overview

Upgrade your lawn care with the John Deere GX21784 OEM mower blades. This genuine three-blade set is designed to replace worn components on 48-inch mower decks, offering a balanced cut and reliable performance across a wide range of Deere models. By choosing an OEM replacement, you favor compatibility and a consistent mowing experience that aligns with your existing deck setup.

What’s Included

  • Multi-pack Includes 3 GX21784 blades
  • OEM Part Numbers: GX21784, AM141035, GY20852, GX21786

Specifications at a Glance

  • Length: 17.047 inches
  • Width: 2.750 inches
  • Thickness: 0.156 inches
  • Wing height: 1.220 inches
  • Hole size: 0.689 inches
  • Cut length: 4.921 inches
  • Material: 10838F
  • Finish: A
  • Note: A

Fit and Compatibility

Designed for a broad lineup, these blades fit many Deere 48-inch decks across popular models. If your mower uses a 48-inch cutting deck, there’s a strong chance this OEM set will integrate with your system while maintaining the factory balance and edge geometry.

Example compatibility includes units in the 100 Series, Select Series, and other Deere lines such as certain D, E, X, and LA series tractors, along with Ztrak varieties. Always verify your deck size and mounting pattern before installation.

Material and Build

Manufactured with a durable blend intended to hold a sharp edge and resist wear, the GX21784 blades are built for regular mowing tasks. The combination of carbon and boron contributes to edge retention while supporting a dependable mowing rhythm over time.

What to Expect

  • OEM-grade design aligned with Deere’s original specifications
  • Potential for a clean, even cut with regular maintenance
  • Efficient replacement to minimize downtime during the mowing season
  • Compatibility with a wide range of Deere models and decks

Usage Tips

For best results, ensure proper installation, balance, and matching deck compatibility. Periodic inspection of blade edges and secure mounting will help maintain performance and reduce vibration during mowing.

FAQ

Q: What models are compatible with GX21784 blades?

A: These blades fit many 48-inch mower decks across John Deere models, including 145, 155C, LA130/LA140, D140/D150/D155/D160, E140/E150/E160/E170, X-series, and select ZTraks.

Q: What benefits can I expect from using OEM GX21784 blades?

A: OEM blades offer a precise edge and durable construction; performance depends on deck maintenance, grass conditions, and correct installation.

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