Larger frame size 325 (3.25") IronHorse® cast iron worm gearboxes are now available in ratios of 10:1, 15:1, 20:1, 30:1, 40:1, & 60:1 with outputs in left hand shaft, right hand shaft, dual shaft, and hollow shaft. The 325 gearbox C-face interfaces match NEMA 56C, 145TC, and 182/4TC motor frame sizes. Designed to change drive direction by 90 degrees, worm gearboxes are used when space is at a premium, such as for conveyors, or to simplify mechanical design. IronHorse gearboxes are mountable in any direction, except motor pointing up. Cast iron worm gearbox prices start at $157; the full line is normally available for same-day shipping and is backed by a one-year warranty. Mounting bases are available for ease of installation.