133-2175 – Toro Hi-Flow Rotary Mower Blades, 18.0 Inch (6-Pack) for 52-Inch Deck (Genuine Toro OEM Part)
The Toro 133-2175 is a genuine OEM Hi-Flow rotary mower blade set, supplied as a 6-pack of 18.0-inch blades, engineered specifically for Toro 52-inch mower decks. These Hi-Flow blades are designed to increase airflow within the deck, improving grass lift, discharge efficiency, and overall cut quality for consistent, professional results.
Manufactured to Toro original equipment specifications, each blade is produced from heat-treated, high-strength steel for durability, impact resistance, and long service life. Using genuine Toro Hi-Flow blades ensures correct fitment, proper balance, and factory-approved cutting performance across the entire deck.
Product Details
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Manufacturer Part Number: 133-2175
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Brand: Toro
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Part Type: Rotary Mower Blades (Set)
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Quantity: 6 blades
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Blade Length: 18.0 inches (each)
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Blade Style: Hi-Flow
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Deck Size: 52-inch
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Category Code: 2RP
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System: Mower deck / cutting system
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Function: Grass cutting with enhanced airflow
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Material: Heat-treated high-strength steel
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OEM Status: Genuine Toro OEM replacement
Function
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Provides clean, even grass cutting across a 52-inch deck
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Increases airflow for improved lift and discharge
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Supports efficient clipping movement and reduced clumping
Compatible With (OEM)
The Toro 133-2175 Hi-Flow Blade Set is used on select Toro equipment, including:
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Toro 52-inch mower decks
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Toro riding mowers
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Toro zero-turn mowers
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Toro cutting systems designed for 18.0-inch Hi-Flow blades
(Exact compatibility depends on the specific Toro model, deck configuration, and blade mounting pattern.)
How It’s Used
Each blade mounts to its respective blade spindle beneath the 52-inch mower deck. When installed correctly, the Hi-Flow blades work together to lift grass efficiently, cut evenly, and discharge clippings smoothly across the full cutting width.
Proper blade orientation and secure mounting are essential for safe operation and optimal cutting performance.
Suggested Maintenance
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Inspect blades regularly for cracks, bends, or excessive wear
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Sharpen cutting edges to maintain clean cuts and airflow efficiency
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Replace blades if damaged or out of balance
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Clean grass buildup from blades and deck to maintain airflow
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Verify blade bolt torque according to Toro specifications
Aftermarket Alternative – Copperhead High-Lift Rotary Mower Blades, 18.0 Inch (6-Pack) – Made in USA
The Copperhead 18.0-inch High-Lift Rotary Mower Blade 6-Pack is a premium aftermarket blade set, designed for strong grass lift, clean cutting, and efficient discharge across a wide range of mower brands and deck configurations. These blades are manufactured in the USA and engineered to meet or exceed OEM performance standards.
Each blade features a high-lift sail design that increases airflow within the mower deck, improving grass lift and discharge performance, especially in dense or fast-growing turf. The blades are precision-balanced and manufactured from heat-treated, high-strength steel for durability and smooth operation.
Copperhead Product Details
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Brand: Copperhead
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Part Type: Rotary Mower Blades (Set)
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Quantity: 6 blades
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Blade Length: 18.0 inches
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Blade Width: 2-1/2 inches
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Center Hole Diameter: 5/8 inch
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Blade Thickness: 0.2040 inch
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Cutting Edge Length: 6-1/2 inches
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Lift / Sail Height: 13/16 inch
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Blade Style: High-Lift
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Material: Heat-treated high-strength steel
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Country of Origin: Made in USA
Compatible With (Aftermarket)
These 18-inch high-lift blades with 5/8-inch center hole are commonly used on:
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36-inch mower decks (requires 2 blades)
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52-inch mower decks (requires 3 blades)
Compatible brands include:
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Bad Boy
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Encore
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Ferris
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Gravely
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Great Dane
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Lesco
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Scag
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Snapper
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Toro
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Wright
Replaces OEM Part Numbers
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Bad Boy: 038300000
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Encore: 363291
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Ferris: 1521227, 5021227, 5021227S, 5101756
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Gravely: 0450300, 00450300, 03253800, GDU10231
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Great Dane: D18037
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Lesco: 050125
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Scag: 48108, A48108, 481707, 482878, 482462
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Snapper: 5101756, 5101756SYP
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Toro: 133-2134
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Wright: 71440001
How It’s Used
Each blade mounts to the blade spindle using a 5/8-inch center mounting bolt. The high-lift sail pulls grass upward before cutting, improving discharge and overall cut quality.
Suggested Maintenance
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Inspect blades regularly for cracks, bends, or excessive wear
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Sharpen cutting edges to maintain lift and airflow efficiency
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Replace blades if damaged or out of balance
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Remove grass buildup from blades and mower deck
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Verify blade bolt torque according to mower manufacturer specifications
