Three (3) Pack Rotary Lawn Mower Blades Replace John Deere M127500 M145476 Requires (3) Blades For 48" Deck

What It Is

This is a three-pack of aftermarket rotary mower blades designed to replace John Deere OEM part numbers M127500 and M145476. It’s intended for 48-inch cutting decks that require three blades simultaneously—common on Deere zero-turn and lawn tractor models.

Fitment & Compatibility

Before buying, verify your deck is exactly 48 inches and requires three blades (not two or four). These blades replace John Deere M127500 and M145476, but also cross-reference to Oregon 96-091 and Stens 230-027. Measure your current blade length (typically 16.5 inches), center hole diameter (usually 0.625 or 1 inch), and spindle hole pattern. Check your mower’s manual or deck model number—these fit many John Deere 48-inch decks on X300, X500, Z500, and 700 series, but not all. Aftermarket blades may have slight thickness or hole variation, so compare to your old blade before mounting.

Key Things to Know

• Quality: At this price point, expect decent steel but shorter edge life than OEM. Good for residential use with occasional sharpening.
• Installation: Easy swap—jack up deck safely, block blades, remove center bolt (often reverse-threaded). Torque to spec (usually 70-90 ft-lbs). Use a blade balancer after install.
• Gotchas: Some users report these are slightly lighter or thinner than OEM, which can affect cut quality on thick grass. Check for bent or uneven blades out of the box—return if warped.
• Safety: Always disconnect spark plug and wear gloves. Never sharpen aftermarket blades thinner than OEM spec.

Should You Buy It

If you have a 48-inch John Deere deck that takes three blades and you want a budget-friendly replacement for routine mowing, this pack is a solid value. Avoid if you need premium steel for commercial use or if your deck requires exact OEM thickness for consistent cut height.