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 Manufacturer Part Number: 133-2175 Brand: Toro Part Type: Rotary Mower Blades (Set) Quantity: 6 blades Blade Length: 18.0 inches (each) Blade Style: Hi-Flow Deck Size: 52-inch Category Code: 2RP System: Mower deck / cutting system Function: Grass cutting with enhanced airflow Material: Heat-treated high-strength steel OEM Status: Genuine Toro OEM replacement Function Provides clean, even grass cutting across a 52-inch deck Increases airflow for improved lift and discharge 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: Toro 52-inch mower decks Toro riding mowers Toro zero-turn mowers 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 Inspect blades regularly for cracks, bends, or excessive wear Sharpen cutting edges to maintain clean cuts and airflow efficiency Replace blades if damaged or out of balance Clean grass buildup from blades and deck to maintain airflow 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 Brand: Copperhead Part Type: Rotary Mower Blades (Set) Quantity: 6 blades Blade Length: 18.0 inches Blade Width: 2-1/2 inches Center Hole Diameter: 5/8 inch Blade Thickness: 0.2040 inch Cutting Edge Length: 6-1/2 inches Lift / Sail Height: 13/16 inch Blade Style: High-Lift Material: Heat-treated high-strength steel 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: 36-inch mower decks (requires 2 blades) 52-inch mower decks (requires 3 blades) Compatible brands include: Bad Boy Encore Ferris Gravely Great Dane Lesco Scag Snapper Toro Wright Replaces OEM Part Numbers Bad Boy: 038300000 Encore: 363291 Ferris: 1521227, 5021227, 5021227S, 5101756 Gravely: 0450300, 00450300, 03253800, GDU10231 Great Dane: D18037 Lesco: 050125 Scag: 48108, A48108, 481707, 482878, 482462 Snapper: 5101756, 5101756SYP Toro: 133-2134 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 Inspect blades regularly for cracks, bends, or excessive wear Sharpen cutting edges to maintain lift and airflow efficiency Replace blades if damaged or out of balance Remove grass buildup from blades and mower deck Verify blade bolt torque according to mower manufacturer specifications
