John Deere Skid Shoe set of TWO M135188 42, 44, 46, 47 tractor mounted New set of two skid shoes that fit 42 snow throwers, part number M135188. They will fit 240, 245, 260, 265, 285, 320, 325, 335, 345, 355D, GX, LX lever and pedal lift units. These will also fit the GX0420X 42 snow thrower used on the Sabre and Scotts tractors. They will fit 44 Snow blowers that fit on D100, D120, D125, D130, D140, D150, D160, D170, G110, L100, L105, L107, L108, L110, L111, L118, L120, L130, LA100, LA105, LA110, LA115, LA120, LA125, LA130, LA135, LA140, LA145, LA150, LA155, LA165, LA175, X300, X310, X320, X324, X340, AND X360 tractors. Also, they will fit 46 Snow throwers with serial numbers starting with M01481X and M046STX that would attach to the following units 318, 322, 330, 332, 420, 430, 425, 445, and 455 tractors, 655, 755, and 2210 compact tractors, F710, F725, F735, F910, F911, F912, F915, F930, F932, and F935 front mount mowers, and 47 Snow blowers on X530, X540, and X590 tractors. We recommend that you replace them as a set.