Notes: 129612-42310 V-BELT, A36.5 is original YANMAR product. 129612-42310 V-BELT, A36.55 is commonly used in transmissions/axles/engines 3TNV74F-SPTB, 3TNV76-FDG, 3TNV76-FDW, 3TNV76-HGB2B, 3TNV76-HGB2BT, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849