EQUIPMENT DESCRIPTION: HOIST MODEL NUMBER 1200 WITH A 6 INCH CYLINDER, HOIST MODEL NUMBER 1600 WITH A 5 INCH CYLINDER, AND HOIST MODEL NUMBER 1600 WITH A 6 INCH CYLINDER MANUFACTURED BEFORE AUGUST 1999. DUE TO LOW TOLERANCE TO CHANGES IN THE CENTER OF GRAVITY THAT CAN OCCUR IF A WELD SEPARATES BETWEEN THE HOIST’S LOWER SHAFT AND THE HOIST’S LOWER MOUNTING ANGLE, RAISING THE POTENTIAL FOR THE VEHICLE TO TIP-OVER WHEN THE HOIST IS ELEVATED. TIP-OVER IS MORE LIKELY TO OCCUR WHEN THE HOIST IN BEING OPERATED ON AN INCLINE.