Product Details
19" Lawn Mower Blade (91-138) by Oregon Tool®. You can count on the Oregon™ 91-138 replacement lawn mower blade to be the best in the industry. Oregon Tool 26 quality standards ensure that you're buying a sharp, high-performance blade that mounts properly. It delivers a clean cut for quality results.
Specifications
| Blade Width: 2.50" |
| Thickness: 0.250" |
| Blade Length: 19" |
| Center Hole Size: 7/8" |
| OffSet: 7/16" |
| Air Lift: 1-1/16" |
| Color: Black |
| Volume: 354.12 in³ |
| Product UOM: Each |
| Weight (with Packaging): 3.14 Lb |
| Product Height: 0.25 |
| Product Length: 19" |
| Product Width: 2.5 |
Features
- Center hole: 7/8"
- Requires 3 blades for 54" cut
- Enhanced mulching for bagging and discharge efficiency
- Stays sharp and durable
- Major brand replacement: John Deere
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
John Deere: 10320, 10332, 10346, 10356, 10357, 10358, 10360, 10383, 10407, 10432, 10876, 11775, 11776, 11777, 11779, 11780, 11781, 11843, 11844, 11845, 11846, 11847, 11848, 11849, 11850, 12053, 2631, 2761, 2862, 9181, 9183, 9323, 9595, 9679, 9680, 9681, 9682, 9683, Signature Series, Z Track
Replacement Guide
J Thomas: DE-940
John Deere: M134305, M135334, M136195, M144652, M164016, TCU30316, TCU30317
Mowmore: JD6480
PLP: 7-08549
Rotary: 6480
Stens: 330-437, 330-595
Sunbelt: B1JD1039, B1JD1042
For the last 74 years, Oregon Tool® has carved out a reputation as the undisputed market leader in saw chains, bars, sprockets, outdoor equipment accessories and parts, with more than 40 million products sold in more than 100 countries, from Sao Paolo to Siberian forests. Oregon Tool legacy of innovation has made Oregon Tool the first name in precision cutting tools and Oregon Tool continue to set the bar ever higher. Oregon Tool proven grind technology ensures Oregon Tool chains have above-and-beyond quality - burr-free cutting edge, consistent surface finish and even shot peening, because the men and women who choose Oregon Tool tools deserve to have product performance that matches their own passion and commitment to exactness and doing a job well done the first time around. Oregon Tool perform 25,000 hours of product testing each year in both lab and real-world settings, to ensure superior cutting quality and safety. That's why Oregon Tool is the World's #1 Saw Chain and manufactures more feet of chain than any other brand annually - enough to circle the planet 1.5 times. As global leaders in precision and cutting-edge technology, Oregon Tool are "Sharper by Nature."