Parts catalog 13 Komatsu: BS504497 13 IN. LEFT REEL KIT (71 IN. - 95 IN. MAST) (INCL ITEMS 2, 5, 7, 13, AND 14) Komatsu BS504499 13 IN. RIGHT REEL KIT (71 IN. - 95 IN. MAST) (INCL ITEMS 5, 7, 9, 13, AND 14) Komatsu :