Genuine Oregon Mower Blade, 23"""" rpls Jacobsen 4186582 91-364


MSRP: $35.29
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  • Center hole: 1/2"
  • Requires 3, 91-364 blades and 4, 91-363 blades per deck
  • Offers right-hand cut
  • Enhanced hardening to keep the blade sharper and more durable
  • Made to exact OEM specifications
  • Replaces major brand: Jacobsen


Blade Width Measure near the center of the blade.2.50"
Blade Thickness Measure near the center of the blade.0.250"
Blade Length Measured diagonally from the corners of the blade23"
Outer Hole Diameter This is the diameter of any holes to the sides of the center hole.7/16"
Center Hole Size Many blades will have a round hole in the center of the blade and you will need to know its diameter. Blade Length 5 or 7 Point Star Center holes may be 5 or 7 point star shaped. 5 point star on blade7 point star on blade Square or Rectangular The MTD built blades on many walk behind lawn mowers have a 'bow-tie' hole. In this case the Oregon replacement blade will have a rectangular center hole which will fit on the bow-tie pattern on the blade adapter. Square or Rectangular hole on blade MTD Blades The MTD® built blades (Bolens, Cub Cadet, Troy-bilt, White, Yard Machine, and Yardman) may have a 6 point star. Oregon replacement blades will have a 'Y' shaped center hole which will fit exactly on the 6 point star on the blade spindle. 6 point star for MTD blades The two sizes of the 6 point star. If your blade spindle has a bolt and lock washer that holds the blade to the machine you would use the 11/16" star or 'Y' blade. blade spindle with bolt and lock washer. If your blade is secured with a large flange nut then you would use the 5/8" star or 'Y' blade. blade spindle with large flange nut1/2"
Center-to-Center If there are outer holes; this is the distance between the centers of those outer holes.2-7/8"
OffSet (Sometimes referred to as offset): If you set the blade on a table this is the distance the center of the blade is above the table top (if any) when the cutting edges are flat on the table0
Air Lift Air lift is the distance the lift panel rises above the cutting edge.11/16"


Volume39.587 in3
Product UOMEach
Weight (with Packaging)3.87 Lb
Product Height0.25
Product Length23"
Product Width2.5
Packaged Length22.874"
Packaged Width2.441"
Packaged Height0.709"

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4186582, JT391040





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