Oregon Tool® - 100 Series 17-7/8" Lawn Mower Blade

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
Columbia Products: 13AQ62GP897, 13AQ646P597, 13AQ91GP897, 13AQ92GP897, 14AQ94KP897 (2013), 14AQ94KP897 (2014), 17AF2ACP897, 17AFCACP897, 17AK2ACP597, 17AK2ACP897, 17ARCACP897, 17BK2ACP597
Craftsman: 13AR91PP099, 17AK2ACP099, 247250020, 247289810
Cub Cadet: GT1500, LT1000, LT1050, SLT1500, Z-Force
Huskee: 13AR606P730, 13AR608P731
MTD: 17AF2ACP004 (2009), 17AF2ACP004 (2010), 17AF2ACP004 (2011), 17AF2ACP004 (2012)
Toro: 13AP60RP544, 13AP60RP744, 13AP62RP544, 14AP80RP544, 14AP80RP744, 14AQ81RP048, 14AQ81RP544, 14AQ81RP744, 14AQ81RP748, 14AQ81RP848, 14AQ94RP848, GT2100, GT2200, LX500, SL500
Troy-Bilt: 13AA92KP066, 13AA93KP066, 13AP60TP766, 13AP61KP011, 13WQ93KP011, 14AP80TP766, 17AF2ACP066 (2008), 17AF2ACP066 (2012), 17AF2ACP766, 17AFACP211, 17AFCACP011, 17AFCACP211, 17ARCAC9211, 17ARCACP011, 17BF2ACP066, 17BF2ACP211, 17WF2ACP011 (2010-11), 17WF2ACP011 (2012), 17WF2ACP066, 17WF2ACP211 (2010), 17WF2ACP211 (2011), 17WFCACP011
White Outdoor Products: 13AP60TP090, 13AP60TP290, 13AP616P790, 14A9816P790, 17AA557P790, 17AA5A7P790, 17AD2ACP790, 17AK2ACP090, 17BA5A7P790, 17BK2ACP090
Yard Machine: 13AA625P004, 17AD2ACP004, 17AF2AP004
Yard Man: 13AP615P755, 13AU615P755, 17AF2ACP001

Replacement Guide
Arnold: 490-110-M126
Columbia Products: 942-04053C
Craftsman: 942-04053C
Cub Cadet: 490-110-C123, 490-110-M126, 742-04053, 742-04053A, 742-04053B, 742-04053C, 742-04056, 742-04056A, 742-04056A-0637, 742-04056B, 742-04056B-0637, 742-04056C, 742-04056C-0637, 942-04053, 942-04053-X, 942-04053A, 942-04053B, 942-04053C, 942-04053C-X, 942-04056, 942-04056A, OCC-742-04053, OEM-742-04053
Huskee: 742-04053, 742-04053A
MTD: 112-0316, 112-6280, 742-04053, 742-04053A, 742-04053B, 742-04053C, 742-04056, 742-04056-0637, 742-04056A, 742-04056B, 742-04056B-0637, 742-04056C, 942-04053, 942-04053-X, 942-04053A, 942-04053B, 942-04053C, 942-04056A, 942-04056C
Mowmore: CC11480
Rotary: 11480, 11507
Rural King: 66891965
Stens: 325-183, 335-859
Sunbelt: B1CC1423
Toro: 112-0316, 112-6280
Tractor Supply: 4445113
Troy-Bilt: 742-04053A, 742-04053C, 942-04053C
White Outdoor Products: 942-04053C
Yard Machine: 742-04053C, 942-04053C
Yard Man: 942-04053C