Blower Truck & Equipment Rotary Airlock Feeder

OEM-Grade Performance from the Original Manufacturer

Precision Machine & Manufacturing is the original OEM of rotary airlock feeders for blower trucks and mulch blowing equipment—trusted by leading brands for decades. Built for mulch, bark, soil, straw, and aggregate blowing, PMM feeders are known for their durability, reliability, and industry-specific engineering.

If your feeder has a serial number stamped on the lower left end, it’s likely a PMM original.

Applications:

  • Mulch Blowing Trucks

  • Bark and Soil Blowers

  • Straw Blowers for Erosion Control

  • Aggregate and Lightweight Fill Applications

Keep Your Blower Truck Running—and Earning

A failing airlock means downtime and lost revenue. PMM has the OEM parts, support, and knowledge to keep your blower truck in the field and profitable.

Contact Precision Machine & Manufacturing today for blower truck airlock feeders, parts, or expert support.

Why PMM OEM Airlock Feeders?

  • Proven Performance: Thousands of units in the field

  • Heavy-Duty Construction: Built for abrasive, continuous-duty operation

  • Precision Engineering: Designed for optimal sealing, metering, and blower performance

  • OEM Fit: Direct replacements for top blower truck brands

New OEM Replacements & In-Stock Parts

We now offer new aftermarket OEM replacement airlocks plus a full inventory of parts ready to ship:

  • Bearings

  • Knives

  • Packing & shaft seals

  • Knife clamps & hardware