Oregon 72-021 Anti-Scalp Deck Wheel 4-Inch by 2-Inch

What It Is

The Oregon 72-021 is an anti-scalp deck wheel designed to prevent the mower deck from digging into turf on uneven ground, protecting grass from scalping. It’s a 4-inch diameter by 2-inch wide wheel, commonly used as a replacement on EGO battery-powered mowers and other residential zero-turn or riding mowers.

Fitment & Compatibility

Before buying, measure your existing wheel’s diameter and axle hole size. The Oregon 72-021 has a 4-inch diameter, 2-inch width, and a 3/8-inch (0.375-inch) axle hole. It fits many EGO models (e.g., ZT series, LM series with anti-scalp wheels) but is not OEM—check your mower’s deck wheel bracket spacing and axle diameter. For non-EGO mowers, verify that the wheel’s width matches your bracket clearance and that the axle bolt or pin fits the 3/8-inch hole. If your mower uses a different axle size (e.g., 1/2-inch), this wheel won’t fit without modification.

Key Things to Know

• Quality: Solid rubber tire on a plastic hub—durable for typical lawn use, but not meant for heavy commercial abuse. Some users report the hub cracks over time if subjected to rough terrain.
• Installation: Simple—remove the old wheel (usually held by a cotter pin or bolt), slide the new one on, and secure. No special tools needed.
• Common Gotcha: The 2-inch width may be too wide for some OEM brackets; check clearance before buying. Also, the axle hole is unibearing (plain bore), so it may wear faster on rough surfaces than bearings.
• Price vs. OEM: At ~$10, it’s often cheaper than EGO-branded wheels, but fitment is not guaranteed—measure first.

Should You Buy It

Buy this if you need an affordable, direct-fit replacement for a 4-inch anti-scalp wheel on an EGO mower (or another mower with a 3/8-inch axle and 2-inch width) and want to avoid OEM markup. Skip it if your mower uses a different axle size or if you need a wheel with a sealed bearing for heavy-duty use.