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Livestock Roller Mills & Grain Processing Equipment

Since 1925, Automatic has been Building Innovative Products for the Agricultural Market

Save time, money, and energy running your farming business – whether you own a large operation or a small agricultural company. Automatic Equipment Manufacturing provides the best agricultural processing machines designed to reduce waste and increase efficiency. Choose from a number of size and power options for roller mills, CSU mills, and more. Increase your bushels per hour, and help your farm run like a well-oiled machine.

Why We're Great >

Industrial Roller Mills For Feed Processing

ATG10000 High Capacity Roller Mill


Precise particles, every time.  Low Profile Electric, Large Capacity Electric or PTO  driven.

Heavy Duty ATG3620 PTO Driven Roller Mill


Large capacity, durability, and versatility. Auger or blower discharge.

Large ARM1665T corn and grain rotary mill for livestock feed processing



​Versatile and economical with a high RPM cylinder to chop corn.  
No screens, no plugging.

The Right Materials Create the Best Roller Mills

We don’t cut corners when it comes to providing the industrial farming equipment you need. Our grain roller mills and electric mills are designed to be hard-working and long-lasting. You can depend on Automatic Equipment Manufacturing to provide feed processing mills that don’t require frustrating repeat maintenance and part replacement. Learn more about why we choose hardened steel for our industrial roller mills.

The Most Efficient Grain Processing Equipment for Livestock

Your livestock operation needs to achieve maximum efficiency to compete with the ever-increasing competition locally and globally. Automatic's industrial grain mills can help you achieve this in three ways:

Better Growth of Livestock

In a 2017 study of using an Automatic roller mill at the Beller Feedlot, we saw the real-world results our mill could deliver. Cows on this lot saw three pounds more growth per head. And when the beef was graded, the herd achieved 4.5% more Prime or Certified Angus grade. In addition, because the Automatic industrial grain mills could handle more different types and grades of grain, the feedlot could afford to buy more feed at a lower cost. And they saw a 1.88% higher feed conversion. 

Energy Efficiency

One of the outstanding efficiencies of Automatic industrial grain mills is that they require less energy. In fact, roller mills use as much as 85% less energy than hammer mills. With any quality of grain, you can count on using one-third less horsepower than with other mills. 

Time Efficiency

Time is money in your livestock operation, whether it's time you spend or hours you have to pay employees. An Automatic industrial grain mill can save you time. The high throughput of the mill means you don't have to spend as much time milling your livestock feed. 

Plus, the high-quality materials used in Automatic roller mills mean less downtime. The automatic hardened steel used for the rollers will function for longer and require fewer recorrugations. Plus, our machines are designed for easy maintenance so even when they're down, they aren't down for long. 

Inexpensive Chill Cast Rolls

Automatic Hardened Steel

• Chill cast iron costs less for the manufacturer than hardened steel due to the reduced material, energy, and labor required to produce finished rolls.

• Chill cast iron has poor corrosion resistance; it constantly needs to be resharpened in order to achieve consistent feed quality.

• Cast iron easily warps without shattering. This rubber band effect leads to long-term negative results on all working aspects of the mill


• The lifetime cost of ownership for chill cast iron rolls is much higher than hardened steel rolls.

• Automatic hardened steel is more expensive because it’s better material. Regular maintenance requirements are drastically reduced, saving time and money in the long-term.


• Hardened steel has 1.5x the modulus of elasticity of chill cast steel, leading to less warping of material on the shaft. The entire mill will last longer, providing years of trouble-free operation


• No need for constant resharpening and reworking to mill quality grain.


• Harder, stronger rolls that deliver consistent feed quality for years at a lower lifetime cost.

Automatic Hardened Steel


Inexpensive Chill Cast Rolls


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