MONARCH LATHES DYNA SHIFT 90 /2500 MANUAL LATHE

Technical Description

The Monarch Dyna Shift 90/2500 is a heavy-duty manual engine lathe engineered for precision machining operations on large workpieces. This robust machine features a 40-inch swing capacity with an impressive 176-inch (14'-6") center distance, accommodating extended workpieces up to substantial lengths. The spindle bore of 4-1/16 inches accepts large-diameter stock, while the D-11 spindle nose ensures compatibility with standard tooling. Powered by a 40-horsepower motor, the lathe delivers variable spindle speeds ranging from 6 to 750 RPM, enabling optimal cutting performance across diverse materials and applications. The swing over cross slide measures 32 inches, providing ample clearance for complex turning operations. The machine incorporates a 42-inch face plate with four boring mill jaws for secure workpiece holding, complemented by a #5 Morse taper tailstock with 12 inches of quill travel and a 7-inch quill diameter. Feed rates span from 0.0034 to 0.196 inches per revolution, accommodating both precision finishing and rapid material removal. Threading capabilities extend from 1/2 to 28 TPI, supporting diverse thread pitches. The bedway width of 31-1/2 inches and saddle width of 47 inches provide rigid support for stable machining. Standard features include a steady rest, coolant system, taper attachment, thread dial, and rapid traverse functionality. Weighing 36,000 pounds and occupying approximately 25 feet by 85 inches of floor space at 72 inches height, this lathe represents a professional-grade production tool suitable for demanding manufacturing environments requiring substantial workholding capacity and precision turning capabilities.