160C LC - EXCAVATOR 17 FRAME, CHASSIS OR SUPPORTING STRUCTURE Parts group 17 FRAME, CHASSIS OR SUPPORTING STRUCTURE 1740 FRAME INSTALLATION . BOOM TO MAIN FRAME PIN SWING BEARING COMPONENTS SWING BEARING LOWER MOUNTING AND GREASE BATH COVER 1741 ENGINE OR MAIN FRAME . MAIN FRAME AND BOOM CYLINDER PINS 1749 CHASSIS WEIGHTS . Counterweight, Mounting and Pads Select group 17 FRAME, CHASSIS OR SUPPORTING STRUCTURE John Deere: 1740 FRAME INSTALLATION 1741 ENGINE OR MAIN FRAME 1749 CHASSIS WEIGHTS