HDR Series - Cast Iron

Texas Belting & Supply stocks 367 HDR Series - Cast Iron - HDR-series cast-iron helical shaft-mount reducers combine the convenient shaft-mount install with high-efficiency helical gearing and a rugged cast housing for heavier, dirtier duty than aluminum units. Available, with in-stock items that typically ship same-day. Call (888) 203-2358 for sizing help.

Common Applications

• Heavy screw and belt conveyors
• Aggregate, mining, and bulk handling
• Continuous-duty shaft-mounted drives
• Outdoor and dusty environments

Frequently Asked Questions

HDR vs SMR - which is heavier duty?

HDR uses cast-iron housings and helical gearing for higher efficiency and torque than the original SMR. Choose HDR for continuous or heavier loads.

Is a stainless version available?

Yes - SSHDR stainless models suit washdown and corrosive areas. See the stainless collection.

Are bushings and torque arms included?

Bushing kits and torque arms are ordered to match your shaft - see the HDR accessories.

Selection help: Reducer series comparison · Reducer sizing guide