×
Description
12615 – Rotary Honda Lawn Mower Blade, 21-1/4" (Replaces Honda 72511)
The Rotary 12615 is a high-quality replacement lawn mower blade designed for use on compatible Honda walk-behind lawn mowers. Measuring 21-1/4 inches, this blade is engineered to deliver clean, efficient cuts while maintaining proper balance and airflow for optimal mowing performance. It is designed to replace Honda OEM part number 72511.
Manufactured from hardened, heat-treated steel, the blade provides excellent durability, edge retention, and resistance to impact and wear. As a Rotary aftermarket replacement, it offers reliable performance and precise fitment comparable to the original equipment blade.
Product Details
-
Manufacturer Part Number: 12615
-
Brand: Rotary
-
Part Type: Lawn Mower Blade
-
Blade Length: 21-1/4 inches
-
Replaces OEM: Honda 72511
-
Application: Walk-behind lawn mowers
-
Material: Heat-treated steel
-
OEM Status: Aftermarket replacement (Rotary)
Function
-
Provides clean and even grass cutting
-
Maintains proper airflow for efficient mowing
-
Supports balanced blade rotation and smooth operation
Compatible With
The Rotary 12615 Honda Replacement Blade is used on select Honda walk-behind lawn mowers requiring a 21-1/4" blade, including models that originally use Honda part number 72511.
(Exact compatibility depends on mower model, deck size, and blade mounting pattern.)
How It’s Used
This blade mounts to the mower blade adapter or spindle beneath the cutting deck. Proper torque and orientation are required to ensure safe and effective operation.
Always disconnect the spark plug before blade installation or removal.
Suggested Maintenance
-
Inspect blade regularly for wear or damage
-
Sharpen cutting edge as needed
-
Replace blade if bent, cracked, or excessively worn
-
Ensure blade remains properly balanced
The Rotary 12615 Lawn Mower Blade, 21-1/4" is a dependable replacement option for Honda mowers, offering durability, correct fitment, and consistent cutting performance.




