Machinedesign 19491 Cast Iron Worm Gears

Larger 325 Frame Size Cast Iron Worm Gearboxes from AutomationDirect

Feb. 21, 2019
Larger 325 Frame Size Cast Iron Worm Gearboxes from AutomationDirect

The AutomationDirect mechanical power transmission lineup now includes larger 325 frame size IronHorse® cast iron worm gearboxes.

These 3.25” input to output shaft distance gearboxes are 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.

Constructed of cast iron one-piece housings; the worm gearboxes are designed to change drive direction by 90 degrees, drive a load at a reduced fixed ratio of the motor speed, and increase output torque by the same ratio. 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 including a new 325 size, are available for ease of installation.

To learn more, visit

About AutomationDirect:
In business since 1994, AutomationDirect is a distributor offering thousands of industrial automation products for electrical control systems, including PLCs, operator interfaces, AC drives, motors, stepper systems, sensors, motor controls, enclosures and more. Their prices are typically well below the list price of more traditional automation companies because of their business model and focus on efficiency and the majority of their products are stocked for same-day shipping. Plus, get free two-day delivery on orders over $49; some limitations apply. For more information, contact them at 800-633-0405 or visit

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