V Belt BX63  5/8"x13/32"x66" V Belt AX77 1/2"x5/16"x79" V Belt B59 (5L620)  5/8"x13/32"x62"
V Belt A50 (4L520) 1/2"x5/16"x52" V Belt AX76 1/2"x5/16"x78" V Belt B63 (5L660)  5/8"x13/32"x66"