Fertilizer Crushing Equipment


Clumps and lumps don’t stand a chance against Stedman Machine Company’s fertilizer crushing equipment.

Stedman’s reliable, durable lump breakers, chain mills, and cage mills are expertly engineered, sturdily constructed, and rigidly tested to meet the specifications you require for heavy-duty fertilizer processing and size reduction.


Stedman designs, develops, and delivers high-performing, low-maintenance pulverizers and crushers ideal for breaking down fertilizer material like:

  • Salts
  • Potash
  • Phosphate rock
  • Straw
  • Manure

Supplying the fertilizer crushers you need

Stedman Machine’s lump breakers, chain mills, and cage mils deliver the power and performance you need to smash big clumps of material into bits and pieces for fertilizer crushing applications.

Stedman’s staff reviews your unique processing specifications, evaluates your requirements, then selects and supplies the proper equipment.

Stedman’s dedicated professionals also can design and develop customized equipment to your exact application and specifications.

Aurora Dual Rotor Crusher

The Aurora dual rotor crusher features a dual shaft design that produces a higher throughput and smaller particles. Rotor speed, rotor direction, cutter design, and screen opening size of our lump breaking machines all factor into fine-tune your final product.

Use the Aurora crusher to break lumps and reduce the size of salts and crystalline material.

  • Quick removal screen drawer
  • Robust drive components for maximum uptime
  • Sturdy carbon steel or optional stainless steel construction
  • Stuffing box seals provide blow-out protection
  • Air purge, mechanical and sanitary seals are available
  • Sealed pillow block bearings
  • Easy access for lubrication and increased life
  • Can be customized to meet your needs

Chain Mill Crushers

Chain mills are a cost-effective crushing solution for reducing a wide variety of materials. The simple design features a high strength housing, simple chain rotor and impact curtain that requires little maintenance.

Stedman’s chain mill crushers are especially effective fertilizer crushers: They are engineered to break up lumps in superphosphate, triple-superphosphate, granular and conventional fertilizer tailings, and can handle a large volume of tailings her hour.

  • High volume
  • Low maintenance
  • Heavy-duty construction
  • Welded plate steel housing
  • Removable back plate
  • Compact size
  • CE and TUV compliant

F-Series Cage Mill

The F-Series Cage Mill Crusher features a unique flared discharge opening, efficiently reducing the wettest and stickiest of materials without clogging and decreasing downtime for cleaning.

  • Flared housing eliminates corners that trap material, reducing clogging
  • Capable of multi-stage reduction
  • Variable mill speed
  • CE and TUV compliant

Y-Series Cage Mill

Stedman’s screen-less, hammer-less grinders are guaranteed to reduce your maintenance time and expense. This economical Cage Mill Grinder has no hammers or screens to replace and an open discharge that won’t plug. With 1/2 to 70 TPH capacities, it features a low-profile modular design and can quickly change from coarse to medium grind gradations.

The Y-Series is a multi-cage mill designed for sizing thousands of minerals and agglomerates. For less abrasive materials where large capacity, high-yield, and uniform particle size are required, Y-Series models are a perfect choice.

Y-Series cage mills offers non-abrasive reduction to the size of salt.

Features and Benefits

  • Open discharge minimizes plugging
  • No screens required
  • Easy bearing and motor access
  • Capable of producing a variety of product gradations, by changing the mill speed
  • CE and TUV compliant

Fertilizer Batch Mixer 

Shell vibration and chatter (due to gear and pinion drives) are gone forever with Stedman's Model R Batch Mixer. 

Featured and Benefits

  • Tires, ring gear, pinion shafts, and bearings are completely eliminated.
  • Maintenance greatly reduced - virtually no spare parts to stock. 
  • Streamline design reduces overall weight and floor space required and at the same time provides a more rugged machine. 
  • A new larger diameter, narrow mixer drum provides faster mixing and discharging. 

Test Before You Buy!

Why Test?

Stedman's testing facilities provide real-world conditions to view your materials being processed. Test out a range of different size reduction methods, saving you both time and money when selecting the proper size reduction method.

Learn More


Delivering the equipment and service you deserve

For nearly two centuries, Stedman Machine Company has produced quality, reliable and durable size reduction and industrial crushing equipment. Stedman has expert field service and installation technicians ready to assist with all maintenance and equipment commissioning needs.

  • Unsurpassed industry experience – operating since 1834
  • State-of-the-art equipment testing facilities
  • Dedicated, professional staff
  • Parts and service available 24 hours a day