UC22010 Mower Blade for 54'' Deck, Compatible with J OHN Deere 1023E, 1025R, 1026R, 2025R, Z540M, GX325, GX335, LX280, X320, X340, Z425, Z435, Z445, Z525E, Replaces M152726, M143520, 3 Pack

What It Is

The UC22010 is a set of three aftermarket mower blades designed for 54-inch cutting decks, compatible with a wide range of John Deere sub-compact tractors, zero-turn mowers, and lawn tractors. These blades are intended for standard mulching, bagging, or side-discharge mowing on residential and light commercial properties.

Fitment & Compatibility

Before buying, verify your mower’s deck size is exactly 54 inches—this blade set will not fit smaller (42", 48") or larger (60") decks. Check your current blade’s part number against OEM numbers M152726 or M143520; the UC22010 replaces both. Measure the blade length (should be ~18.5 inches), center hole diameter (1-inch), and spindle pattern (5-point star or 3-point). Confirm your model is listed: John Deere 1023E, 1025R, 1026R, 2025R, Z540M, GX325, GX335, LX280, X320, X340, Z425, Z435, Z445, Z525E. If yours isn’t on the list, measure your existing blade and cross-reference with the UC22010 dimensions.

Key Things to Know

• Quality vs OEM: These are aftermarket blades, typically made of heat-treated steel (not hardened to OEM specs). They’ll cut well for residential use but may dull faster on rocky or sandy terrain.
• Installation: Straightforward—remove the old blade, clean the spindle, and torque the bolt to 45-55 ft-lbs. Use a thread locker if your manual recommends it. No special tools needed beyond a socket wrench and a block of wood to lock the blade.
• Balance: Aftermarket blades can be slightly out of balance. It’s worth checking on a blade balancer before installing; an unbalanced blade causes vibration and bearing wear.
• Common gotcha: The UC22010 is a 3-pack—make sure your deck uses three blades (some 54" decks use two). Also confirm the blade type (mulching vs. high-lift) matches your mowing needs; these are general-purpose, not high-lift.

Should You Buy It

Buy the UC22010 if you need a cost-effective replacement for a residential John Deere with a 54-inch deck and don’t mind slightly shorter blade life compared to OEM. It’s a solid value for light-to-medium mowing, but skip it if you mow heavy grass, rocks, or need premium durability for commercial use.