Heavy Duty for M513580.The M513580 HD6 11" Transmission Disc, 6 Pad, w/ 1-1/8" 10 Spline Hub - New fits equipment brands such as: Massey FergusonThe M513580 HD6 is a substitute for the following discontinued products: M513580 HD4
Used w/ 1539022N PPA. Heavy Duty for 1539025.The 1539025 HD6 11" Transmission Disc, 6 Pad, w/ 1-1/8" 10 Spline Hub - New fits equipment brands such as: International