Miracle Mixer - batch mixer, paddle mixer, ribbon mixing, 98% mixability, 0 friction points - Denver, Iowa 50622
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We at Tumble Drum Ind. of Denver, Iowa have set a new high standard for small and large Air Powered Drum Mixers. If your operation is for small commercial batch ingredient mixing, large industrial batch element mixing, or the agriculture batch feed mixing, then a Miracle Mixer from Tumble Drum Industries should be your custom drum mixer of choice.
- Gordon Dorn, President

Miracle Mixer of Tumble Drum Ind. is one of the few industrial mixer manufacturers to offer custom mixers, blenders, & agitators for clay, feed / grain, fertilizer, seed, nuts, and food processing applications.


Divot Master for golf coursesOne of our main strengths at Tumble Drum Ind. is the ability to build custom equipment and industrial drum mixers at a reasonable cost with great quality and service. We are able to build drum mixers for our clients that fit their specific systems needs or requirements, rather than having the customer fit their system to our mixer. Our custom drum mixers come in all shapes and sizes as stand, portable, mobile, and trailer mounted systems. Our custom mixers have been applied in hundreds of different applications throughout the world. View our mixing applications.

55 Gallon Drum MixerTumble Drum Industries manufactures an industrial drum mixer to accommodate every batch mixing and blending you'll ever need. Starting with the 5 gallon hand crank drum mixer for laboratory testing and sample mixing to the 100 gallon drum mixer with our explosion resistant pneumatic powered mix management system.

The small drum mixers come standard in 30, 55, and 100 gallon sizes. Depending on the bulk of your ingredients, the Model 30 Drum Mixer holds approximately 75 lbs., the Model 55 Drum Mixer holds approximately 150 lbs., and the Model 100 Drum Mixer holds approximately 350-400 lbs. The 30 and 55 gallon drum mixers break down easily to go through any size door and can be shipped UPS with easy assembly. The Model 100 Drum Mixer and larger must be shipped by truck.

large mobile drum mixerCommercial Tumble Drum Mixers also come as a large diameter mixer from 200 gallon (27 cubic feet) all the way to our monster 1000 gallon (134 cubic feet) mixing and blending systems.

If your operation is for large commercial batch ingredient mixing, industrial batch element mixing or the agriculture batch feed mixing then a Miracle Drum Mixer from Tumble Drum Industries should be your batch drum mixer of choice.


Miracle Mixer Systems are manufactured with 5 different power options:
  • Manual
  • Electrical
  • Hydraulic
  • Pneumatic
  • PTO


removable 55 gallon drum system


Novus Laboratories asked us to create the below custom mixer for spraying liquid and trace elements onto dry poultry feed.

Inside view of a custom mixer


1200 gallon mixer with lift for bulk bagging in and out.
1200 gallon mixer with lift for bulk bagging in and out.

"We have used the Tumble Drum mixer as a feed mixer. We found it to do a good job and easy to use. The feed comes out and does not hang up in the drum mixer. I believe the Tumble Drum Mixer would make a good feed mixer for anyone living on the farm."

John D. Kent
Dept. of Animal Science
Iowa State University
Ames, Iowa

See how the miracle mixer works


Stainless Steel Mixers
Laboratory Mixer
Paddle Mixer
Tumble Mixer
Feed Mixer
Turf Mixer


Tumble Drum Ind.
custom-makes any
batch mixer to fit
your needs.



Stand batch mixer; 55 gal. drum


Leasing is available!


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