General Machine & Fabrication Shop Capacities Crane capacities up to 40 tons – 28 feet under hook (3) Vertical boring mills up to 120” diameter 101” under rail (3) Lathes up to 60” diameter 480” 900 ton press 4 inch horizontal bar with digital readout Shotblast capabilities. Test stand for running equipment under load. 1000 Hp 0 to 1000 rpm variable speed DC drive 500 gal/min water supply.