Oregon 92-616 G3 Gator Blades (Set of 3)

What It Is

The Oregon 92-616 G3 Gator Blades are a set of three aftermarket mulching blades designed for 56V EGO lawn mowers with 21-inch decks. They feature a patented “Gator” serrated edge and wing design that cuts grass clippings into fine mulch, improving nutrient recycling and reducing bagging frequency.

Fitment & Compatibility

Before buying, check three things:

• Deck size: These fit 21-inch EGO mowers only (not 20-inch or 22-inch models).
• Model numbers: Compatible with EGO LM2100, LM2101, LM2102SP, LM2130SP, LM2135SP, LM2142SP, and LM2150SP. Verify your specific model on the underside of the mower deck or in the manual.
• OEM replacement: They replace EGO OEM part 2822171001 (original blade set). Measure your existing blade length (21 inches) and center hole diameter (1 inch) to confirm fit.

Key note: These will not work on EGO 56V mowers with 20-inch or 22-inch decks, or on gas-powered mowers.

Key Things to Know

• Quality: Made from high-carbon steel with heat-treated edges; they stay sharp longer than OEM steel blades (up to 25 hours of mowing vs. 15-20 for stock).
• Installation: Easy – remove the blade bolt (13mm socket), replace one blade at a time, and torque to 35-40 ft-lbs. No special tools needed.
• Gotcha: The G3 blades are slightly heavier than OEM (approx. 1.5 lbs vs. 1.2 lbs), which can reduce battery runtime by 5-10% per charge.
• Mulching performance: The serrated wings create a vacuum lift for fine clippings, but they may leave clumps in wet grass – mow when dry for best results.

Should You Buy It

Buy these if you want better mulching and longer blade life on your 21-inch EGO mower, and you don’t mind a small battery trade-off. They’re a solid upgrade over OEM for $42, especially if you mow frequently or want to reduce bagging. Skip them if you prefer a clean side-discharge or have a non-21-inch EGO deck.