DESCRIPTION One new aftermarket replacement made with Aramid Blue V-belt fits Ariens Gravely Lawn Mower Attachment Model: 49740 Pro Series (32″ Deck). Also fits John Deere Riding Lawn Mower Models: SST15, SST15(Belt, Secondary 42C & AP), SST16, SST16(Belt, Secondary 42C & AP), 111H(Belt, Drive), 112L(Belt, Drive), 116H(Belt, Drive), 165(Belt, Drive), 175(Belt, Drive), 185(Belt, Drive, Serial #475000). Also fits Murray Riding Lawn Mower models: 1-31515, 7-30515, 8-31518, 8-31583. Made With Aramid Blue V-Belt is a heavy-duty belt made from organic polyamide fibers. The polyamide fibers are created through a complex chemical process. This process allows Made With Aramid belts to have high resistance to repeated reverse flexing, oil, heat, and cracking. Made With Aramid belts also have high tensile strength, are inextensible, and have high impact resistance. Depth: 5/16″ OC Length: 1/2″ X 79″ Top Width: 1/2″ Replaces Part Numbers: A77K, LAB40-0252, 44439, GAT6