Specifications
| Blade Width | |
|---|---|
| Thickness | |
| Blade Length | |
| Center Hole Size | |
| OffSet | |
| Air Lift | |
| Color | |
| Volume | |
| Product UOM | |
| Weight (with Packaging) | |
| Product Height | |
| Product Length | |
| Product Width |
Features
- Requires 3 blades for 60" cut
- For B1550, B1750, F2560E, F3060, G1900, G2000 Models
- Major brand replacement: Kubota
- Replace OEM No. 70000-00602, 70000-25001, 76539-34330
Product Details
20-9/16" Lawn Mower Blade (91-438) by Oregon Tool®. The Oregon™ 91-438 replacement lawn mower blade is made to the exact OEM specification for optimum performance. Oregon Tool blades are individually straightened and hardened to provide a consistent, cleaner cut and increase blade longevity.
Blade Width - Measure near the center of the blade.
Thickness - Measure near the center of the blade.
Blade Length - Measured diagonally from the corners of the blade
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
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
Air Lift - Air lift is the distance the lift panel rises above the cutting edge.
Fit Guide
Kubota: B1550, B1750, F2560E, F3060, G1900, G2000
Replacement Guide
Kubota: 70000-00602, 70000-25001, 76539-34330, K5647-34340, K5647-97530, K5651-34340, K5668-97530, K5945-34360
Landscape Supply: 91436
Laser: 91335
Mowmore: KU20B
Prime Line: 7-06386
Rotary: 6209
Stens: 330-552
Sunbelt: B1KU1021