140-1243 – Toro Blade, 16.50" High-Flow (Genuine Toro OEM Part)
The Toro 140-1243 High-Flow Blade is a genuine OEM cutting blade engineered for responsive engagement and reliable cutting performance on compatible Toro mowing equipment. Measuring 16.50 inches, this blade is designed to deliver high airflow with reduced discharge velocity, helping maintain cut quality while minimizing excessive grass blowout.
Manufactured to Toro original equipment specifications, this blade provides consistent performance, precise fitment, and durability under demanding operating conditions. Using genuine Toro blades ensures proper balance, factory-approved performance, and long service life.
Blade is sold individually.
Product Details
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Manufacturer Part Number: 140-1243
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Brand: Toro
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Part Type: Mower Blade
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Blade Length: 16.50 inches
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Blade Style: High-Flow
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System: Cutting system
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Discharge Characteristic: Reduced discharge velocity
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OEM Status: Genuine Toro OEM replacement
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Sales Unit: Sold individually
Function
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Provides responsive cutting engagement and consistent mowing results
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Generates high airflow for effective lift and cut quality
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Reduces discharge velocity to limit excessive grass blowout
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Maintains proper blade balance and deck performance
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Built to withstand continuous commercial-duty operation
Compatible With
The Toro 140-1243 High-Flow Blade is used on Toro equipment equipped with 48-inch and 122 cm TURBO FORCE® cutting decks, including but not limited to:
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GrandStand® Series
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GrandStand
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GrandStand HD
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GrandStand Multi Force
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Z Master® Series
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Commercial 3000 Series
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Professional 5000 Series
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Professional 6000 Series
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4000 Series
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Deck Type
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48" TURBO FORCE Side Discharge
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48" TURBO FORCE Rear Discharge
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122 cm TURBO FORCE Cutting Decks
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(Compatibility varies by model number, serial range, deck configuration, and blade position. Always verify using your exact Toro model and serial number before ordering.)
How It’s Used
This blade mounts directly to the mower deck spindle using the factory mounting configuration specified for the deck. When installed correctly and torqued to Toro specifications, it restores proper airflow, cutting performance, and deck balance.
Suggested Maintenance
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Inspect blades regularly for wear, cracks, or deformation
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Replace blades showing excessive wear or damage
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Keep blades clean to maintain airflow and cutting efficiency
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Replace blades in sets when required by deck configuration
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Use only genuine Toro blades to ensure correct fitment and long-term reliability



