Primary Mower Belt replaces John Deere #M122106. 1/2" X 70.62". Fits Model GS25, GS30,GS45 & GS75 Commercial Walkbehind Mowers with 36" Deck. Also fits G15 Commercial Walkbehind Mowers. (Engine to Mower) Wrapped-Molded, General Purpose, Aramid Cord Construction, Clutching cover.