The Clausing 21VS is a precision horizontal lathe engineered for versatile machining applications. This machine features a 21.81-inch swing over bed with a maximum turning diameter of 14.57 inches and spindle bore of 4.09 inches, accommodating components up to 40 inches between centers, expandable to 120 inches with optional tailstock extension. Powered by a robust 15 HP variable AC spindle drive delivering up to 1,800 RPM, the lathe provides consistent performance across demanding turning operations. The machine accommodates a single cutting tool on a slide-mounted tool carrier, enabling controlled single-point turning, threading, and boring operations. With an 11.81-inch cross slide travel and 40-inch longitudinal travel (expandable to 120 inches), the 21VS offers flexibility for various workpiece configurations. The spindle features a 5 MT taper nose with D1-11 camlock compatibility, standard on Clausing's professional-grade equipment. Construction utilizes Meehanite cast iron for superior rigidity and thermal stability, while the variable-speed AC spindle drive incorporates state-of-the-art surface mount technology ensuring compact design and high reliability. The machine includes a full coolant system with electric pump, interlock safety guards, saddle-mounted controls, and power metering for operator convenience. Standard features encompass inch threading capabilities with 73 available pitches, metric and diametral pitch options, and precision longitudinal/cross feeds ranging from 0.0016 to 0.11 inches per revolution. The 21VS delivers accuracy and repeatability suitable for toolroom and production applications.