Caltric 21-In rotary mulching blade front view for John Deere compatibility.
Caltric blade packaging close-up, ready for replacement on John Deere mowers.
Caltric 21-In blade dimensions image showing proper fit.
Caltric compatibility diagram image showing Deere models compatible with this blade.
Caltric blade close-up with sharp edge and durable construction.
Caltric mulch blade on lawn mower demonstrates mulch performance.
Caltric installation guide image with mounting tips.

Caltric

Caltric 21-In Rotary Mulching Blade for John Deere Walk-Behind Mowers (M125413)

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

$33.14

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Why customers choose PatioZora Garden

Overview

Upgrade your John Deere walk-behind mower with the Caltric 21-In Rotary Mulching Blade. This blade is designed to turn grass clippings into finer mulch, helping you achieve a neat, well-maintained lawn without extra effort. Built to fit a wide range of 21-inch Deere decks, it balances durability with straightforward replacement so you can keep mowing with less downtime.

While results can vary with mowing conditions, users often notice a more even cut and smoother distribution of clippings with regular use. The blade’s design and steel construction aim to provide dependable performance across typical residential landscapes, making it a practical choice for routine maintenance.

Highlights

  • Efficient mulching: finely chops clippings for a tidier finish.
  • Broad compatibility: designed to fit many John Deere 21-inch walk-behind models.
  • Durable build: sturdy steel construction built for repeated use.

What’s Included & Fit

  • Order Includes: 1x Rotary Mulching Blade.
  • Compatible with: John Deere 12PB, 12PC, 12SB, 14-series (14PB, 14PZ, 14SB, 14SC, 14SE, 14SZ, 14SX) and related 21-In models; SN ranges may vary by deck.
  • Part numbers: M112972, M125413, M77178, M111453, M112738.
  • Dimensions: Length 20 7/8 in (530.2 mm); Width 2.6 in (66 mm); Thickness 0.12 in (3 mm); Mounting hole diameter 7/8 in (22.2 mm).
  • Note: Compare the posted picture to your unit to ensure a proper match before replacement.

Specs & Compatibility

This 21-inch blade uses a 7/8-inch mounting hole for secure attachment on compatible Deere decks. It is designed to work with various Deere 21-In walk-behind models and related applications, so please verify fit against your mower’s specifications for best results.

Installation & Care

For safe replacement, disconnect power, inspect the old blade for wear, and align the mounting hole with the deck. Tighten hardware to the manufacturer’s torque recommendations. If you are unsure about compatibility, compare the posted images to your current blade.

Usage Notes

Regular blade maintenance supports consistent cutting quality and better airflow under the deck. The Caltric blade is designed to integrate into existing mowing routines without requiring modifications.

FAQ

Q: What’s included with the Caltric 21-In Rotary Mulching Blade?

A: The package includes 1x rotary mulching blade designed for listed John Deere models; verify fit with your mower’s specifications before replacing.

Q: How can I check if this blade fits my mower?

A: Compare the posted dimensions and mounting hole diameter to your current blade; verify SN range corresponds to your 21-inch walk-behind Deere deck.

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