You can count on the Oregon® 91-144 replacement lawn mower blade to be the best in the industry. Our 26 quality standards ensure that you’re buying a sharp, high-performance blade that mounts properly. It delivers a cleaner cut for quality results.
Product Details
Center hole: 3/4"
Requires 2 blades for 40" cut, 3 for 60"
Enhanced mulching for bagging and discharge efficiency
Stays sharp and durable for longer
Fits Cub Cadet models: 3660, Z Force, some Tanks
Specifications, Details & Support
Blades
Blade Width
Blade Width
Measure near the center of the blade.
3.00"
Thickness
Thickness
Measure near the center of the blade.
0.203"
Blade Length
Blade Length
Measured diagonally from the corners of the blade
20-1/2"
Center Hole Size
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 nut
3/4"
OffSet
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 table
1/2"
Air Lift
Air Lift
Air lift is the distance the lift panel rises above the cutting edge.
Oregon® Gator® G3™ 96-677 is your go-to lawn mower blade in all conditions including wet, dry, and sandy turf. Gator® G3™ blades offer superior mulching, fewer bag stops, and cleaner side discharge than the standard manufacturer blade. It’s not a replacement blade. It’s an upgrade.