1900 CAT D7 A BLADE , **FITS EITHER D7R OR D7E WITH 24" TRACK SHOE WIDTH**, 129-6768 CYLINDER, LIFT WITH LINES - RH, 129-6769 CYLINDER, LIFT WITH LINES - LH, 1U-0640 7A BULLDOZER, BASIC, 6Y-5694 MOUNTING, CYLINDER, 9U-8610 CYLINDER AR-DUAL TILT, Online Owner's Manual ,