WSM vertical feed grinders provide simple, energy-efficient size reduction
Rugged, productive, and easy to maintain vertical feed grinders help turn waste into profit. Specifically designed for industrial use, from small woodworking plants to the largest biomass power facilities.
Decades of experience in worldwide installations and the most knowledgeable team in the business make WSM grinders the best choice for converting waste into marketable products. Our wide range of sizes and rotor configurations ensure the right machine for your application, offering superior performance and maximum thru-put while processing a wide range of feedstock at rates up to 150 tons per hour.
Simple, Effective Design – Combining effective gravity feed with the proper infeed/discharge system and chute design to deliver optimal performance. Less complexity equals fewer problems – simpler is better in the world of grinding.

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THE WSM DIFFERENCE
Materials Processed
WSM vertical feed grinders provide simple, energy-efficient size reduction
- Bark
- Biomass Feedstock
- C&D Debris
- Chip Overs
- Food Waste
- Green Waste
- Lily Pads
- Log Ends & Log Yard Debris
- Pre-shredded Wood
- RDF
- Sawdust & Shavings
- Trim Ends
- Urban Wood

Wide mouth opening and chute for improved infeed
Heavy-duty fabricated steel housing with ⅜” thick frame and doors for superior strength and wear life
Constructed with a hinged breaker plate door to provide added machine protection against large uncrushables
Heavy-duty double row spherical roller bearing and cast steel pillow block bearing housings provide superior bearing life
Rotor shaft end is drilled and rifled on each end, permitting hydraulic bearing removal for reduced maintenance expense and increased production time
Removable bearing support block allow for bearing removal without lifting rotor assembly
Abrasion-resistant steel screen bars or perforated plates produce a finished wood fiber in a single pass. Available in a full range of sizes.
Larger size grinders include hinged breaker plate door with shear pin and limit switch to help protect the machine from large uncrushables.
Rotor constructed with heavy-duty machined shaft, rotor discs, and hammer pins
Direct Couple or Belt Drive options
Reversible alloy steel anvil is heat-treated for superior wear life
Optional pivoting split front housing combined with hydraulic cylinders mounted to sides of the machine provide for easy routine inspections and maintenance
Heavy-duty drive base with motor mount for single or dual-drive motor(s)
The Most Rugged Vertical Grinder Available
WSM offers various rotor configurations, screen sizes and types, hammer styles, and discharge options to configure your grinder.
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Discover the WSM Difference
With the development of the world’s best vertical grinder, West Salem Machinery offers your business the best choice for converting marketable materials into profitable products.
Find Your Solution
To learn more about West Salem’s wide selection of vertical grinders, simply complete the contact form to receive a copy of our Free PDF.
