One New Aftermarket Replacement Transmission Disc
Fits Case Models:
480C, 480D, 480E, 580C, 580D, 580E, 584C, 584D, 584E, 585C, 585D, 585E, 586C, 586D, 586E
Tech Info:
Center Hole: 5 point star
Length: 21″
Thickness: .187
Width: 2-1/4″
Replacement XHT Lawnmower blade. XHT(Xtreme Hardness & Toughness) blades are 25-40% harder than standard lawnmower blades. Bene Fits 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.
Replaces Part Number:
AYP/Roper/Sears: 139775, 134149, 532139775, 532 13 97-75, 532134149