John Deere D100, D105, D110, D120, D125, D130, LA100, LA105, LA110, LA115, LA120, LA125, LA135, S240, X145, X110 XHT Mower Blade 21" Deck 42"

XHT 21-1/2", 7 Lobe, Mower Blade (Single) - B1JD6016,1. Replacement XHT Lawnmower blade. XHT(Xtreme Hardness & Toughness) blades are 25-40% harder than standard lawnmower blades. Benefits of the HXT blade are sharper and longer lasting cutting edges. More resistance to bending. Tighter tolerances in the aftermarket vs. OEM. XHT blades also offer greater impact toughness. (2) blades for 42" cut. Fits LA series tractors w/ StarLock Center Hole. Center Hole: 7 lobe Length: 21-1/2" Type: Medium Lift Width: 2-1/2" Crossed From: AM137327 JOHN DEERE AM137328 JOHN DEERE AM137329 JOHN DEERE AM13733 JOHN DEERE AM137330 JOHN DEERE AM137333 JOHN DEERE AM141031 JOHN DEERE GX22151 JOHN DEERE GY20850 JOHN DEERE M145969 JOHN DEERE M145970 JOHN DEERE M154061 JOHN DEERE M154062 JOHN DEERE 11593 ROTARY 330-441 STENS 330441 STENS 50-3231 WINDSOR 503231 WINDSOR 578 43 19-11 HUSQVARNA 578431911 HUSQVARNA 7-044073 PRIME LINE 7044073 PRIME LINE 92-106 OREGON 92106 OREGON This is an aftermarket product, not an OEM. Thanks for looking!