Oregon 91-235 Heavy Duty Blade for 52 Gravely ZT HD 52 – 991277, 03253800. Blade Width – 2.50. Thickness – 0.250. Blade Length – 18. Center Hole Size – 5/8. Air Lift – 7/8. The OregonĀ® 91-235 blade for lawn mowers are created to provide consistency and longevity, while delivering a cleaner cut and quality results. Requires 3 lawn mower blade for a 52″ cut and 2 lawn mower blade for 36″ cut. For John Deere models: 636M and 652M QuickTrack. Requires 3 blades for 52″ or 54″ cut and 2 blades for 36 cut. X-Tended Cutting LengthT optimizes the cutting efficiency with each revolution. Enhanced mulching for bagging and discharge efficiency. Stays sharp and durable. Replaces major brand: John Deere. WARNING: This product can expose you to Nickel, a chemical known to the State of California to cause cancer. Fits the Following Models. 320, 5900027, 5900030, 5900111, 5900218, 5900222, 5900232, 5900232.1, 5900232.2, 5900518, 5900540, 5900541, 5900542, 5900545, 5900552, 5900553, 5900554, 5900555, 5900556, 5900557, 5900571, 5900605, 5900606, 5900607, 5900614, 5900615, 5900616, 5900624, 5900625, 5900636, 5900640, 5900644, 5900645, 5900646, 5900647, 5900677, 5900678, 5900679, 5900680, 5900704, 5900710, 5900711, 5900712, 5900713, 5900729, 5900730, 5900739, 5900740, 5900749, 5900756, 5900758, 5900759, 5900778, 5900783, 5900854, 5900877, 5900878, 5900893, 5900905, 5900913, 5900963, 5900967, 5900973, 5900974, 5900975, 5900976, 5900987, 5900988, 5900991, 5900992, 5900993, 5901000, 5901000.1, 5901002, 5901002.1, 5901004, 5901005, 5901009, 5901012, 5901014, 5901015, 5901021, 5901022, 5901040, 5901041, 5901042, 5901043, 5901044, 5901045, 5901050, 5901050.1, 5901051, 5901051.1, 5901078, 5901081, 5901123, 5901194, BD36B, BG36KA, BGF36K, BGF52K, CTR52, DD52BVE, DD52KA, DD52KAE, DDS52BVE, H1618B, H1818B, H1820B, H1920B, H2020K, H2020O, H2220K, H2520K, HW32KA, HW36B, HW36K, OF52, R52R. 988140, 988141, 988142, 988144, 988146, 988147, 988148, 988151, 988153, 988154, 988155, 988156, 988157, 988158, 988400, 988402, 988403, 988411, 988640, 992410, 992600, 992605, 992606, 992607, 992610, 994100, 994101, 994103, 994104, 994106, 994108, 994109, 994110, 994111, 994112, 994113, 994114, 994115, 994117, 994118, 994119, 994120, 994401, 994600, 994601, 994602, 994604. Pro 7 Series 0,1,2,4, Pro Series 0. Laser Z, Metro, ProLine, Turf Ranger, Turf Tracer, Viking. Replaces the Following Blades. 32022, 32022A, 32022HD, WM132022. 1521227, 1521227S, 21227S, 481711, 5021227, 5021227S, 5021227X2, 5021227XS, 5101756S, 5101756X2, 5103304S, 5103304X2, A48158, A48185. 00273100, 00450300, 03253800, 04916400, D18037, GDU10231. 100341, 101485, 539100341, 539101485, 539105712. AM104490, PT8721, TCU29188, TCU29869, TCU35393, TCU37208. 17037, 1756152SYP, 5101756S, 5101756SYP, 5101756X2, 5103304S, 5103304SYP, 5103304X2, 7017037, 7075751, 7075751BMA, 7075751BZ, 7075751BZYP, 7076450, 7077344, 76450, 77344. Listing and template services provided by inkFrog.