Oregon 91-183 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.

Ariens: 715052, 715053, 715054, 715055, 788034, 788035, 788057, 788058, 792022, 792034, 888308, 915035 (1640), 915037 (1844), 915039 (2048), 915039-000101, 915041 (2252), 915051 (1640), 915055 (1944), 915057 (2048), 915057-000101, 915057-000101 zoom 2048, 915057-005000, 915057-005000 Zoom, 915057-010000, 915057-010000 Zoom 2148, 915059 (2352), 915065 (1540), 915067 (1740), 915075 (1640), 915077 (1840), 915079 (2044), 915081 (2348), 915081 Zoom 2348, 915083 (2552), 915311 (1844), 915313 (2252), 915317 (1540), 915318 (1744), 915501 (1744), 915502 (1540), 915600 (000101 - ), 915600 (000101 - ) 1840, 915600 (1840), 915601 (000101 - ), 915601 (000101 - ) 2044, 915601 (2044), 915602 (000101 - ), 915602 (000101 - ) 2348, 915602 (2348), 988319 (HR1544FXPCE), 988320 (HE1748FLPCE), 992099-000101, 992099-000101 Zoom 2148 XL, 992142-000101, 992142-000101 Zoom 2348 XL

Cub Cadet: Viking Hydro, W32122R, W321252KW, W32142BV

ExMark: LT180H48FBV2, LT180H48HBV2, Lazer Z CT, Lazer Z HP, Metro 5-Speed, Metro HP

Ferris: 5900030, 5900215, 5900556, 5900557, 5900605, 5900606, 5900607, 5900614, 5900615, 5900616, 5900646, 5900647, 5900710, 5900711, 5900712, 5900739, 5900759, 5900779, 5900806, 5900834, 5900877, 5900878, 5900893, 5900905, 5900978, 5900991, 5900992, 5901000, 5901000.1, 5901002, 5901002.1, 5901004, 5901005, 5901012, 5901014, 5901015, 5901019, 5901020, 5901040, 5901041, 5901042, 5901043, 5901044, 5901045, 5901046, 5901047, 5901050, 5901050.1, 5901051, 5901051.1, 5901194, 5901270, BD48KA, BG1418B, BG48KA, BGF52K, G1818-6, G1820-6, H1618B, H1818B, H1820B, HW32KA, HW36B, HW36K, HW48B, HW48KAR, PCM4818K, PCM6120O, PCT4818B, PCT6118B, PCT6118K, PCW4812K, PCW6114K

Gravely: 2348, 715024, 715025, 715026, 715027, 715052, 715053, 715054, 715055, 788033, 788034, 788035, 788040, 788041, 788047, 788048, 788053, 788057, 791003, 791004, 792034, 915034-000101, 915036-000101, 915038-000101, 915040-000101, 915042-010000, 915044-000101, 915044-005000, 915044-010000, 915046-000101, 915046-005000, 915046-010000, 915048-000101, 915048-005000, 915048-010000, 915050-000101, 915050-005000, 915050-010000, 915074-020000, 915076, 915076-020000, 915078, 915078-020000, 915080, 915080-020000, 915082, 915082-020000, 915400, 915401, 915402, 915600, 915601, 915602, 988100, 988100-000101, 988100-005000, 988101-000101, 988102, 988102-000101, 988102-003000, 988102-005000, 988103-000101, 988103-003000, 988104-000101, 988105, 988106, 988107, 988108, 988109, 988110, 988110-000101, 988110-003000, 988110-005000, 988112-000101, 988112-003000, 988113, 988114, 988114-000101, 988114-005000, 988115-000101, 988115-003000, 988116, 988117, 988118, 988118-000101, 988118-003000, 988119-000101, 988119-003000, 988120, 988123, 988124, 988125, 988126, 988127, 988130, 988133, 988311, 988313, 991060, 991061, 991062, 991063, 991064, 991067, 991076, 991077, 991078, 991079, 991080, 991095, 991096, 991102, 991103, 991300, 991303, 992042-000101, 992042-000500, 992042-002000, 992042-002501, 992042-004000, 992043 PM148Z, 992043-000101, 992043-000500, 992043-002000, 992043-002501, 992043-004000, 992044-000101, 992044-000500, 992044-002000, 992044-002501, 992044-004000, 992051-000101, 992051-000500, 992051-002000, 992051-002501, 992051-004000, 992054-000500, 992054-002000, 992054-002501, 992054-004000, 992055-000500, 992055-002000, 992055-002501, 992055-004000, 992064-000500, 992064-005000, 992065-000101, 992065-001500, 992065-005000, 992077-000101, 992077-000500, 992077-004000, 992078 PM148Z, 992078-000101, 992078-000500, 992078-004000, 992079-000101, 992079-000500, 992079-004000, 992080-000101, 992080-000500, 992080-004000, 992081-000101, 992081-000500, 992081-004000, 992093 PM148Z, 992101 ZT2148XL, 992143 ZT 2348XL, 992311 PM148Z, GR1332FXPCE, GR1548FL, GR1548FX, GR1548FXP, HE1748FL, HE1748FLP, HE1748FX, HE1748FXP, HR1548FLP, HR1548FX, PM144Z, ZT2048, ZT2348

John Deere: Lazer Z CT, Metro 5 Speed, Metro HP, W32121, W48140S, W48142BV

MTD: CZT19480KWV, CZT1948KWV, Crew Chief, Crew King, HAZT21480BV, HAZT21481BV, W32081, W32120, W32120K, W48120, W48120K, W48121

Massey Ferguson: 2900

Toro: W48121K, W48122R

Windsor: Lazer Z HP, Turf Tracer, W32080, W32121K, W481252KW

Ariens: 00273000, 04919100, 04920600, 05244100, 4919100

Bad Boy: 038-3000-00, 038-4820-00, 038-4826-00, 038-4827-00

Better Outdoors: 10661-S, ACC-0022

Bobcat: 03239, 112111-01, 2722543-01, 32061, 32061A, 3239, WM132061, WMTA3206, WMTA32061

Dixon: 539106040

ExMark: 1-323515, 1-403026, 1-403059, 1-403075, 1-403086, 1-403148, 1-403149, 1-413438, 1-520843, 103-1577, 103-1577-S, 103-2507, 103-2517, 103-2527, 103-6336, 103-6336-S, 103-6401, 103-6518, 103-6581, 103-6581-S, 103-6583, 103-6583-S, 103-6738, 103-6738-S, 1036583, 109-6389, 109-6389-S, 109-6391, 109-6391-S, 116-5178, 116-5178-S, 323515, 403026, 403059, 403086, 403148, 403149, 520843S, E323515, E403149

Ferris: 1520843, 1520843S, 20843, 20843S, 5020843, 5020843S, 5020843X2, 5020843XS, 5101986, 5101986S, 5103303S, 5103303X2, FR5101986

Giant Vac: 0640

Gravely: 00273000, 04919100, 04920600, 05244100, 273000, 4919100, 4920600, 715026

Husqvarna: 100340, 101366, 539100340, 539101366, 539106040, 539106041, 539109756

Husqvarna/AYP: 106041X, 121705X

Jacobsen: 390666

Kees: 100340, 101366, 483011, 483046

Landscape Supply: 2215

Laser: 91007, 91051

Massey Ferguson: 5101986SYP

Mowmore: EX16

PLP: 114-290

Redhawk: 148-005

Rotary: 1009, 13814, 15008, 2172

Simplicity: 5020843, 5020843A, 5020843ASM, 5020843SM, 5101986S, 5101986SYP

Snapper: 03239, 1-7036, 100340, 101366, 483046, 5020843, 5101986, 5101986BM, 5101986BMYP, 5101986S, 5101986SYP, 5101986YP, 5103303S, 5103303SX2, 5103303SYP, 7-6675, 7-7386, 7014036BMI, 7014036BMYP, 7014036YP, 7017036, 7017036BM, 7017036BMI, 7017036BMYP, 7017036YP, 7076675, 7077377, 7077378, 76675, 77378, WMTA32061

Stens: 303-136, 310-045, 310-045-6, 315-868, 335-168

Toro: 1-323515, 1-403149, 103-2507, 103-2517, 103-2527, E323515, E403149

Windsor: 50-1930, 50-1967