C77 DUN Dunlop V-Belt Type_V-Belt and the second number is

and the second number is the internal length in mm

5L 560 / 1422 La Garden Belt

3L 320 / 813 La Garden Belt

mulching or shredding

4L 510 / 1295 La Garden Belt

C77 DUN Dunlop V-Belt Type_V-Belt and the second number isTraditional V Belts are manufactured with cross sections Z, A, B, C & D sections with a range of over 500 lengths currently available. V Belts for industrial use are designated both to RMA standard e. g. A52, where the letter designates its cross section and the number corresponds to a nominal internal length in inches and to DIN standard e. g. 13x1320Li, where the rst number denotes the width in mm, and the second number is the internal length in mm.