12273 – Rotary Mower Blade 17-1/2" × 5/8" | Replaces Toro® 115-5093-03 – Genuine Rotary OEM The Rotary® 12273 mower blade is a genuine OEM, high-quality replacement blade designed for Toro® mower deck applications. Precision-manufactured for strength and balance, this blade delivers clean, consistent cutting performance while meeting or exceeding OEM specifications. Built for durability, this blade maintains proper airflow and cutting efficiency in both residential and commercial mowing conditions. Product Details Manufacturer Part Number: 12273 Brand: Rotary® Part Type: Mower Blade Blade Length: 17-1/2" Center Hole Diameter: 5/8" Blade Width: 2-1/4" Blade Thickness: 0.158" Blade Style: Standard Lift OEM Status: Genuine Rotary replacement part Function Provides clean, even grass cutting Maintains proper blade balance and deck airflow Designed for efficient bagging, discharge, and mulching Manufactured for strength and long service life Replaces / Cross-Reference Toro®: 115-5093-03 Toro®: 110-6837-03 Toro®: 112-9759-03 Toro®: 115-5059-03 Compatible Equipment (Common Applications) Used on select Toro® walk-behind and riding mower decks requiring a 17-1/2" blade with 5/8" center hole. (Exact models vary by deck configuration—always verify blade dimensions and OEM cross-reference before ordering.) ⚠️ Compatibility Note:Blade fitment depends on deck size, blade count, and spindle configuration. Always confirm blade length, center hole size, and thickness prior to installation. Installation Notes Replace blades in sets for best cutting balance Torque blade bolts to manufacturer specifications Inspect spindle and blade hardware during installation Signs Mower Blade Should Be Replaced Dull or nicked cutting edge Bent or warped blade Excessive vibration Poor or uneven cut quality The Rotary® 12273 Mower Blade (17-1/2" × 5/8") is a dependable OEM-quality replacement for maintaining peak cutting performance on Toro® mower decks.
