CASE rear drive axle differential brake disc. Fits CASE Landscaper Models 570LXT, 570LXT Series II, 570MXT, 570MXT Series III. Fits Loader Backhoe Models 580L, 580L Series II, 580SL, 580SL Series II, 580M, 580M Series II, 580SM, 580SM Series II, 580SM+ Series II. Fits CASE Rough Terrain Forklift Models 585G, 586G, 586G Series III, 588G, 588G Series III. This can also be purchased as part of kit part number 243893A1.