Rotary 60" Gator Mulch Mower Blade Set 3-Pack 20-1/2" 5/8" Center Hole — Commercial Mulching, Balanced Fit

Rotary 6303 Gator Mulch blade set is a commercial-grade 3-blade replacement designed for 60-inch decks, delivering aggressive mulching performance and compatibility with many major mower brands.

This three-blade kit (Part #6303) includes three 20-1/2" blades with a 5/8" center hole designed for GatorMulch cutting action on 60" decks. Built to match factory dimensions, these blades are intended as direct-fit replacements for a long list of OEM part numbers across Bad Boy, Dixie Chopper, Exmark, Gravely, Hustler, Toro, Oregon, Stens and more. The Rotary blades are crafted for commercial mowing tasks where consistent cut quality and dependable fit are required.

Will these blades fit my 60-inch mower deck?

If your mower uses a 5/8" center-bore blade and a 20-1/2" length blade for a 60" deck, this set is likely compatible. The listing replaces many common OEM part numbers, so cross-referencing your current blade part number is an easy way to confirm fit.

• Blade length: 20-1/2" (measured tip-to-tip).
• Center hole diameter: 5/8" standard hub fit.
• Designed for 60" deck arrangements (3-blade set).
• Compatible with multiple OEM numbers like Exmark 613112 and Toro 105-877.

How does GatorMulch blade design improve cut and clippings?

GatorMulch blades are shaped to lift and recirculate clippings for finer mulch and quicker decomposition. The geometry helps keep clippings suspended long enough to be cut repeatedly, creating smaller pieces ideal for returning nutrients to the turf without clogging the discharge.

• High lift profile promotes better airflow and clip circulation.
• Mulch-focused cutting edges reduce large clumps and striping.
• Tough steel construction resists bending and chipping under commercial use.
• Balanced design minimizes vibration for smoother operation.

What maintenance or installation steps should I follow?

Install each blade with the correct orientation and torque to the manufacturer’s spindle specification, and always replace all three blades at once for even cutting balance. Inspect blade hubs, spindles, and hardware for wear and replace any damaged parts to preserve deck performance and safety.

• Disconnect spark plug and secure mower before starting work.
• Mount blades with the stamped or cupped side per mower instructions.
• Torque blade bolts to your mower OEM spec and check balance after install.
• Sharpen or replace blades periodically to maintain cut quality.

Which OEM part numbers does this Rotary set replace?

This Rotary 6303 set is listed as a replacement for numerous OEM numbers, easing parts sourcing across brands. Refer to the included compatibility list to verify your original part number matches one of the covered references.

• Examples include Bad Boy 038605000 and Exmark 1-613112.
• Also replaces Toro 105-877 and Gravely 46999.
• Cross-references include Oregon 491-506 and Stens 302-028.
• Works as a swap for many Dixon, Windsor, and Dixie Chopper numbers.

Who is this for: This Rotary 6303 GatorMulch blade set is aimed at landscape professionals, property managers, and serious homeowners running 60" commercial decks who need durable, OEM-style replacement blades optimized for mulching. If you require a direct-fit three-blade replacement with a 5/8" center hole and reliable mulching performance across a wide range of mower brands, this kit provides a practical, heavy-duty option.