Belt for: -Old Rider 8HP PEERLES gearbox (motor/platter) 63 cm - 25" - Old lawn tractors 8-10-11HP PEERLES 600-91 cm 36" (engine/platter) - 25", 30" and 36" platter (motor/platter) Measurements: 1/2" x 55" compatible with MURRAY Code 680055 Original code reference 37x12