Details
- Center hole: 5/8"
- Requires 1, 91-912 blade and 1,913-93 42"cut
- Rear discharge
- Left-hand discharge
- The OregonĀ® 91-312 lawn mower blade is created to provide consistency and longevity, while delivering a cleaner cut and quality results.
- Replacement for major blade: Walker
Blades
Blade Width
Measure near the center of the blade. | 2.75" |
Blade Thickness
Measure near the center of the blade. | 0.203" |
Blade Length
Measured diagonally from the corners of the blade | 22" |
Outer Hole Diameter
This is the diameter of any holes to the sides of the center hole. | 3/16" |
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 MTDĀ® 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 | 5/8" |
Center-to-Center
If there are outer holes; this is the distance between the centers of those outer holes. | 3" |
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 | 1-1/16" |
Air Lift
Air lift is the distance the lift panel rises above the cutting edge. | 3/4" |
General
Color | Black |
Volume | 518.562 in3 |
Product UOM | Each |
Weight (with Packaging) | 3.27 Lb |
Product Height | 0.203 |
Product Length | 22" |
Product Width | 2.75 |
Packaged Length | 7" |
Packaged Width | 23.15" |
Packaged Height | 3.2" |
Replaces
J Thomas:
WA-344Laser:
91024Mowmore:
WA22LRotary:
3445Stens:
355-032Sunbelt:
B1WA3400Walker:
5705-3, 5705-4