V Belt AX51 1/2"x5/16"x53" V Belt B63 (5L660)  5/8"x13/32"x66" V Belt A87 (4L890) 1/2"x5/16"x89"
V Belt AX76 1/2"x5/16"x78" V Belt B62 (5L650)  5/8"x13/32"x65" V Belt A91 (4L930) 1/2"x5/16"x93"