3-Ply Texture Top Endless Belts (Lower) to fit John Deere 510. The John Deere 510 takes 7 each of the 8″ x 74.5″ 3 Ply Endless Bottom Belts. This ad is for the 7 Endless Bottom belts only. Each assembly comes with a. The upper belts are typically 9 each 4″ x 484″ 3 Ply Slightly Textured Baler Belt made with Clipper Lacing unless modifications have been made to use a 10″ or 12″ belt which we carry as well. There is a separate listing for the Top Belts. These Belts are made in America and are OEM Quality.