Belleone D140 Blades for John Deere 48-Inch Mowers | 3-Pack Replacement GX21784

Overview

When it comes to lawn care, sharp, reliable blades make a noticeable difference in how your yard looks and how smoothly your mower runs. Belleone D140 blades are designed as direct replacements for popular GX21784 and related John Deere deck blades for 48-inch mowers. This 3-pack keeps you equipped with spares, enabling simple blade rotation to sustain peak performance between sharpenings.

Why these blades fit your 48-inch John Deere deck

Each blade is tailored for a 48-inch mower deck, promoting balance and stable performance at speed. The precise sizing helps reduce vibration and wear on spindles and gears, contributing to smoother mowing sessions and fewer interruptions.

• Replacement part numbers include GX21784 and related Deere equivalents such as AM137757 and AM141035
• Compatibility spans John Deere mowers in multiple series, including 145, 155C, D150, D160, D140, D155, LA130, LA140, LA145, LA155, LA165, E140, E150, E160, E170, X140, X165, X166, X167, S140, S160, S170, EZtrak models Z355E, Z245, and Z255

Design and performance you can rely on

The D140 blades feature a balanced design optimized for high-speed cutting. The edge is crafted to withstand routine mowing tasks while maintaining a consistent cut across varied grass types and yard layouts. Expect steadier operation with reduced strain on mower components during longer mowing sessions.

• Optimized balance helps reduce wobble and wear on spindles and gears
• Rigid cutting edge supports reliable performance along edges, around trees, and near fences

What you receive and exact dimensions

Included in this package are three GX21784 mower blades. Each blade measures 17 inches in length, 2-3/4 inches in width, 5/32 inches in thickness, and features a center 7-point star hole. Please double-check these dimensions against your mounting pattern to ensure the best fit.

Easy installation and practical use

Widely used to optimize mowing and thinning tasks, these blades are well suited for precise trimming around trees, shrubs, and along edges. They can help you achieve a neatly groomed landscape with less effort on your part. The three-pack format supports quick swaps and reduced downtime between sessions.

Tip: Regular inspection of blade condition and secure mounting helps maintain cut quality and mower stability over the season. While results vary with grass type and mowing frequency, users often notice smoother operation and consistent results when blades are kept sharp and properly balanced.