D&D PowerDrive B63/5L660 V Belt, 5/8" x 66" OC, B/5L, Rubber: Industrial V Belts: Amazon.com: Industrial & Scientific
No.154: special V-belt 5L-660 • 15.8 x 1676 mm La • Clutch belt mostly installed in ride-on / lawn mowers and snow blowers etc. Upper width: 15.8 mm • Height: 9.5 mm •
PIX Belts Tool Gear in Electrical Tools - Walmart.com