133-2137 – Toro Hi-Flow Rotary Mower Blade, 16.5 Inch (Genuine Toro OEM Part) The Toro 133-2137 is a genuine OEM Hi-Flow rotary mower blade, engineered to deliver enhanced airflow, clean cutting performance, and efficient clipping movement on compatible Toro lawn and turf equipment. With a 16.5-inch cutting length, this blade is designed to lift grass blades upright for a more uniform cut while improving side discharge and bagging performance. Manufactured to Toro original equipment specifications, the Hi-Flow blade is precision-balanced and produced from heat-treated, high-strength steel to ensure durability, reduced vibration, and long service life. Using a genuine Toro blade guarantees correct fitment, safe operation, and factory-approved mowing results. Product Details Manufacturer Part Number: 133-2137 Brand: Toro Part Type: Rotary Mower Blade – Hi-Flow Blade Length: 16.5 inches Category Code: 3BW System: Mower deck / cutting system Function: Grass cutting with increased airflow Material: Heat-treated, high-strength steel OEM Status: Genuine Toro OEM replacement Function Generates increased airflow under the mower deck Lifts grass blades for a clean, even cut Improves discharge and bagging efficiency Compatible With Toro Equipment The Toro 133-2137 Hi-Flow Blade is used on select Toro mower decks, commonly found in: Walk-behind lawn mowers Riding mowers Zero-turn mowers using 16.5-inch Hi-Flow blade systems (Exact compatibility depends on deck size and specific Toro model configuration.) How It’s Used This Hi-Flow blade mounts to the blade spindle beneath the mower deck. As it rotates, the high-lift blade design creates strong airflow that pulls grass upright before cutting and efficiently moves clippings through the deck. Correct blade orientation and secure mounting are essential for safe operation and optimal cutting performance. Suggested Maintenance Inspect the blade regularly for cracks, bends, or excessive wear Sharpen cutting edges to maintain clean cuts Replace the blade if damaged or out of balance Remove grass buildup from the blade and deck to preserve airflow The Toro 133-2137 Hi-Flow 16.5-Inch Rotary Mower Blade is used in OEM-specified Toro cutting systems where enhanced airflow, durability, and professional-quality mowing performance are required.
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