Dust application rate is variable, making a HafcoVac Rock Duster a perfect solution for both trickle and bulk dusting operations. The most common size and configuration is our 55 gallon drum model (~550 lbs of Rock Dust capacity). We do offer custom configurations as well, please call to talk to a representative to design one for your needs. HafcoVac Rock Dusters can also assist in compliance with MSHA TIC regulations.
550 pound rock dust capacity
No moving parts for safe, reliable operation from a unique patented design
Connect over 500 feet of discharge hose
Compressed air requirements as low as 20 CFM
Thousands in use throughout WA, PA, VA, AL and CO
No permissibility exams or certifications required
Available with or without wheels for easy maneuverability

The “Big Tank” Duster
7,000 pound rock dust capacity
Connect over 500 feet of discharge hose
Simple 3-piece construction can be unloaded and assembled by only two workers
Sizes of each piece meet tunnel restrictions of 54? maximum height, 72? diameter
Same powerful patented venturi technology as our 55-gallon drum duster
Used to move rock dust to remote locations, thousands of feet from nearest track.
Each station receives dust, separates entrained air, and propels the dust down the line using only compressed air
Cyclone technology eliminates the need for filters, reducing maintenance
Entire system operates under low pressure for safety and weight savings