The GIDDINGS & LEWIS RT 1600 is a heavy-duty Horizontal Boring Mill featuring a 6.1-inch (155 mm) spindle diameter and a 4-speed headstock. It offers extensive travel capabilities, including 189 inches (4801 mm) on the X-axis, 141.7 inches (3599 mm) on the Y-axis, and 49.2 inches (1250 mm) on the Z-axis, plus a W-axis travel of 78.7 inches. The machine is equipped with a substantial 63 x 98.4 inch (1600 x 2489 mm) built-in rotary table with a load capacity of 55,100 lbs (24,993 kg) and 0.001-degree B-axis rotation. Spindle speeds range from 1 to 3,500 RPM, driven by a 74 HP (55 kW) motor (S6-40 rating). It includes a 60-position Automatic Tool Changer (60 Position in Technical Specs, 90 Station in AI Data) supporting tools up to 11 inches in diameter and 29.5 inches in length, with a change time of 15 seconds. The unit is controlled by a GE Fanuc 310I-Model A CNC system and supports features such as Rigid Tapping, linear scale feedback on the X, Y, and W axes, and a Renishaw RMP60 Probe. The overall machine weight is 98,000 lbs.