The TOSHIBA TSS-30/55A is a robust Vertical Boring Mill featuring an 118.12-inch table diameter and an impressive maximum swing of 216.53 inches, though the maximum swing for center turn is 157.48 inches. It accommodates large workpieces with a maximum height under the rail of 109.8 inches and a vertical travel of the cross rail reaching 61.02 inches. The ram stroke is 39.4 inches. Key performance specifications include table speeds ranging from 2.5 to 80 RPM and feeds adjustable between 0.0008 to 0.8 inches per revolution (IPR). The machine is capable of handling workpieces up to 35,300 pounds on the table and has an approximate machine weight of 85,000 pounds. It is equipped with General Numeric GN6 CNC Controls, featuring updated Hitachi SJ700 Drives and Fanuc Servo Drive Motors. Power is supplied by a 50 HP Table Drive operating on 3-phase, 60 Hz, 440 Volt power.