6821 – Rotary Right-Hand Mower Blade 15-5/16" x 2-1/2" (Replaces Exmark 653101, 103-2529-S & Windsor 50-4065) The Rotary 6821 Right-Hand Mower Blade is a premium OEM-quality replacement blade engineered for compatible Exmark and Windsor commercial lawn mowers. Measuring 15-5/16 inches long with a 5/8-inch center hole, this heavy-duty blade delivers clean, consistent cutting performance while maintaining excellent durability in demanding mowing conditions. Manufactured from heat-treated, high-strength steel, the Rotary 6821 is precision balanced to reduce vibration, improve cutting efficiency, and extend the life of mower deck components. Product Details Part Number: 6821 Brand: Rotary Part Type: Mower Blade Cut Direction: Right-Hand Blade Length: 15-5/16 Inches Blade Width: 2-1/2 Inches Center Hole Diameter: 5/8 Inch Blade Thickness: 0.2040 Inch Material: Heat-Treated High-Strength Steel OEM Replacement Quality Replaces OEM Part Numbers Exmark: 653101 Exmark: 103-2529-S Exmark: 103-2529S Windsor: 50-4065 Key Features Premium OEM-quality replacement blade Right-hand cutting configuration Heat-treated steel for superior durability Precision-balanced to reduce vibration Delivers a clean, even cut Excellent wear resistance Direct-fit replacement Function The Rotary 6821 Right-Hand Blade rotates at high speed to deliver a precise, even cut while promoting healthy turf growth. Its precision-balanced design helps minimize vibration, improves mowing efficiency, and extends the service life of spindle assemblies and mower deck components. Compatible Equipment The Rotary 6821 is designed for compatible Exmark and Windsor commercial mower decks utilizing the listed OEM blade part numbers. Always verify your mower model, blade dimensions, center hole size, and OEM part number before ordering. Who Is This For? Commercial landscapers Lawn maintenance professionals Groundskeepers Property maintenance crews Homeowners with compatible Exmark or Windsor mowers Recommended Property Size Ideal for residential estates, commercial properties, parks, schools, municipalities, sports fields, golf courses, and professional turf maintenance operations. Pros OEM-quality replacement Heavy-duty heat-treated steel construction Precision-balanced for smooth operation Produces a clean, professional-quality cut Long-lasting durability Direct replacement for Exmark and Windsor blades Cons Fits only compatible mower deck applications Blade should be replaced if bent, cracked, or excessively worn Comparison – Rotary 6821 vs Standard Replacement Blades Rotary 6821 Precision OEM-quality construction Excellent cutting performance Reduced vibration Longer service life Reliable fit and balance Generic Replacement Blades May have inconsistent balance Lower-quality steel construction Faster edge wear Less consistent cutting performance Why Buy from Barry's Power Equipment? Barry's Power Equipment supplies premium Rotary replacement blades trusted by professional landscapers and commercial mowing contractors. High-quality OEM replacement parts Fast nationwide shipping Competitive pricing Expert parts support Extensive inventory for Exmark, Windsor, Rotary, and other leading commercial mower brands
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