The Johnford Roundtop Machinery Company TC-75 is a high-performance horizontal machining center designed for precision turning and milling operations. It features a single main spindle with a maximum turning diameter of 21.250 inches and a maximum turning length of 67.320 inches, supporting a chuck diameter of 15.000 inches and a maximum swing of 27.550 inches. The main spindle is capable of handling bar stock up to 4.130 inches in diameter and operates at 1,700 RPM with 35 HP, ensuring robust cutting performance. The machine is equipped with a turret-style primary tool carrier, supporting up to 12 turning tools and 12 rotary tools, with the rotary tools delivering 5 HP at 4,000 RPM for versatile machining capabilities. The TC-75 provides two-axis control (X and Z), with an X-axis travel of 13.780 inches and a Z-axis travel of 61.020 inches, enabling efficient part processing. Both axes offer a rapid traverse and maximum feed rate of 472 inches per minute, optimizing cycle times. The machine supports one simultaneous cutting tool, ensuring precise and controlled material removal. Engineered for reliability and productivity, the TC-75 is suitable for a wide range of industrial applications, including complex turning, drilling, and milling tasks, making it a versatile solution for high-volume and high-precision manufacturing environments.