V Belt B61 (5L640)  5/8"x13/32"x64" V Belt B53 (5L560)  5/8"x13/32"x56" V Belt A77 (4L790) 1/2"x5/16"x79"
V Belt AX51 1/2"x5/16"x53" V Belt A99 (4L1100) 1/2"x5/16"x101" V Belt A81 (4L830) 1/2"x5/16"x83"