Caltric M177791 54-inch mulching blade for John Deere X-series enhances clipping control.
Caltric three-blade pack shown for replacement on compatible 54-inch decks.
Caltric M177791 blade suitable for 54-inch John Deere decks including Z-series.
Caltric UC22010 and other alternate part numbers for replacement options.
Caltric M177791 blade dimensions show 19 inches long for precise fit.
Caltric 54-inch blade supports Z-series compatibility for smoother mowing.
Caltric three-blade set packaged and ready for installation.

Caltric

Caltric M177791 54-inch Deck Mulching Blade — 3-Pack | John Deere X380 X384 X570 X590, Z-Series Compatible

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

$68.74

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Why customers choose PatioZora Garden

Overview

Upgrade your mowing performance with the Caltric M177791 54-inch deck mulching blade set. Designed to replace worn blades on a wide range of John Deere 54-inch decks, this 3-pack delivers a balanced, ready-to-install solution. The listing references multiple compatible part numbers (M177791, UC22010, M143520, UC40844, AUC23868, M152726), helping you match the right replacement for your machine. With dimensions suited for a clean, consistent cut, these blades are built to refresh the mowing experience without overhauling your setup.

Key benefits at a glance

  • Potential for finer mulch and more uniform clippings across the yard.
  • Balanced, low-vibration design aimed at smoother operation during longer sessions.
  • Broad compatibility with 54-inch John Deere decks, including X-series and Z-series models.

What you get

  • Three high-quality mower deck blades ready for immediate replacement.
  • Multiple part-number references to accommodate different production runs and regions.

Fits your John Deere 54-inch deck

This blade set targets a wide array of 54-inch decks used by John Deere, including X380, X384, X390, X394, X570, X580, X584, and X590 54-inch configurations, as well as several Z-series models. Always compare the posted image to the unit you need to replace to confirm a match before purchasing.

Dimensions and installation notes

Blade length is 19 inches (approximately 482.6 mm) with a width of 3.19 inches (about 81 mm). The listing may reference different part numbers to reflect various production runs. We strongly suggest verifying the posted image against your current blade to ensure proper fit.

Installation tips

Work with the mower powered off and cooled, remove the old blade using the correct wrench, and install the Caltric blade following standard safety practices. Use the same mounting hardware if possible for a secure fit.

FAQ

Q: Is this blade compatible with John Deere 54-inch decks (X-series or Z-series)?

A: Yes. The listing covers many 54-inch decks, including X380/X570/X590 and Z-series; compare the posted image to your blade before ordering.

Q: What’s included in the Caltric M177791 3-pack?

A: Three mower deck blades are included, ready for replacement on compatible 54-inch decks.

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