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Description
91-239 – Gravely 20-1/2" Mower Blade (Heavy-Duty Replacement Cutting Blade)
The 91-239 Mower Blade is a high-quality replacement cutting blade designed to replace the original Gravely 20-1/2 inch mower blade on compatible commercial and residential lawn mowers. Engineered for dependable performance, this heavy-duty blade delivers a clean, consistent cut while maintaining proper airflow for efficient grass discharge and overall mowing performance.
Manufactured from heat-treated high-carbon steel, the 91-239 Blade offers excellent strength, wear resistance, and edge retention. Its precision-balanced design helps reduce vibration, minimize spindle wear, and provide smooth operation during demanding mowing applications.
Product Details
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Part Number: 91-239
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Replaces: Gravely OEM Blade
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Brand: Rotary
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Part Type: Mower Blade
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Blade Length: 20-1/2 Inches
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Function: Cuts grass evenly while maintaining proper deck airflow
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Material: Heat-Treated High-Carbon Steel
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Installation: Direct Replacement
Key Features
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High-quality replacement for Gravely OEM blade
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20-1/2-inch cutting length
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Heat-treated high-carbon steel construction
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Precision-balanced for smooth operation
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Excellent edge retention
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Durable corrosion-resistant finish
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Designed for reliable residential and commercial mowing
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Direct replacement installation
Function
The 91-239 Mower Blade rotates beneath the mower deck to provide clean, even grass cutting while maintaining proper airflow for clipping discharge or mulching, depending on the mower deck configuration. Its balanced construction helps reduce vibration and promotes longer spindle life.
Compatible Equipment
The 91-239 Blade replaces the original blade used on selected Gravely lawn mowers and other compatible equipment utilizing a 20-1/2 inch cutting blade.
Always verify your mower model, deck size, center hole, blade length, width, thickness, and original OEM part number before ordering to ensure proper compatibility.
Who Is This For?
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Homeowners
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Commercial landscapers
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Lawn care professionals
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Property managers
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Grounds maintenance crews
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Gravely mower owners
Recommended Property Size
Ideal for maintaining:
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Residential lawns
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Large estates
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Commercial properties
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Municipal parks
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Schools
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Sports fields
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Golf course rough areas
Pros
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Heavy-duty heat-treated steel construction
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Precision-balanced for reduced vibration
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Clean, professional-quality cut
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Excellent wear resistance
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Easy direct replacement
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Suitable for commercial and residential mowing
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Long service life
Cons
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Compatible only with mowers using the correct blade specifications
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Blade should be sharpened and inspected regularly for optimum performance
Comparison – 91-239 Replacement Blade vs Standard Economy Blades
91-239 Premium Replacement Blade
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Heat-treated high-carbon steel
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Superior edge retention
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Precision-balanced construction
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Longer service life
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Professional cutting performance
Economy Replacement Blades
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Softer steel construction
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Faster edge wear
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Variable balance quality
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Shorter operating life
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Less consistent cutting results
Why Buy from Barry's Power Equipment?
Barry's Power Equipment supplies premium OEM and aftermarket replacement blades trusted by homeowners and professional landscapers.
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High-quality replacement mower blades
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Fast nationwide shipping
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Competitive pricing
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Expert technical support
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Extensive inventory for Gravely, Ariens, SCAG, Toro, Exmark, Wright, Ferris, Hustler, Cub Cadet, John Deere, STIHL, Kawasaki, Kohler, Honda, and many other leading outdoor power equipment brands.
