Oregon 91-623 High-Lift Mower Blade, 18"
Oregon 91-623 is an 18-inch high-lift replacement mower blade for supplier-listed commercial mower applications, including verified Scag fitment. Its aggressive lift angle increases airflow for bagging and side discharge.
Specifications
- Length: 18"
- Width: 3.00"
- Thickness: 0.203"
- Center hole: 5/8"
- Offset: 0
- Air lift: 1-1/2"
- Blade style: High lift
Package Quantity
One blade per purchase. The supplier and manufacturer specify two blades for a 36-inch deck and three blades for a 54-inch deck; order the quantity required for your exact configuration.
Fitment Safeguard
Verify Oregon part number 91-623, the original blade number, mower model and serial range, deck size, blade length, center-hole size, and required quantity before ordering. The supplier lists multiple compatible brands, so the full equipment record must be matched.
Installation
Stop the engine, remove the key, disconnect the spark-plug lead, secure the blade, and wear cut-resistant gloves. Install in the correct orientation and tighten the hardware to the mower manufacturer's specification.