448 Million Tons

That's the number of tons crushed per year by our sizers in North America alone.  DDC-Sizers feature a direct drive arrangement and a low-profile design. They are ideal for primary, secondary and tertiary reduction of friable, low silica materials such as coal, salt, gypsum, phosphate, limestone, bauxite, petroleum coke, lignite, trona, carbon anodes, oil sands, clay, shale and more.

McLanahan Carbide Teeth More Than Double Throughput for Crushing Customers

McLanahan began developing its carbide tooth in 2003 at the request of a customer who was already utilizing the most wear-resistant tooth design McLanahan had to offer at the time.

“We were challenged by one of our top coal customers in the Powder River Basin,” recalled Dan Holes, Director of Parts and Service for McLanahan North America. “At the time, our roll elements offered substantial protection to the face of a tooth, but... READ MORE.


More Sizer Resources

  At McLanahan, we don't just sell you equipment - we want to make sure that your equipment is running, creating material and making you money as often as it can. We provide educational resources to help you select the right product, and then provide the tools needed to properly service and support that equipment. Here are a few of the resources available to you on McLanahan Sizers.  

READ: The Differences Between Double Roll Crushers and DDC-Sizers For Mineral Processing

SUPPORT: Access McLanahan's DDC-Sizer Support Page With Troubleshooting, Recommended Spare Parts, & More

WATCH: Compass Minerals Meets Production Goals With McLanahan Apron Feeder, DDC-Sizers

Learn more in the DDC-Sizer brochure

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McLanahan Corporation has designed and manufactured its DDC-Sizers to be more efficient and deliver a better total cost of ownership than competitive equipment. McLanahan sells several configurations of sizers, including Primary & Secondary DDC-Sizers, Tertiary DDC-Sizers and Fine Grinding Sizers. DDC-Sizers are used in applications where the material being crushed has natural fracture plains and lends itself to compression crushing, rather than attrition or impact crushing. They are recommended for applications where a 4:1 reduction ratio is required.

Primary DDC Sizer

Primary & Secondary DDC-Sizers

Used in the primary and secondary reduction of friable, low silica minerals, these DDC-Sizers can be used in both surface and underground mining. Their direct drive arrangement and low-profile design is ideal for movable configurations, such as wheel-mounting under a hopper.

Tertiary DDC Sizer

Tertiary DDC-Sizers

Similar to Primary and Secondary DDC-Sizers, the Tertiary DDC-Sizer can be used in surface and underground mining operations for the tertiary reduction of friable, low-silica materials. The difference is that Tertiary DDC-Sizers feature outward rotating rolls to provide two crushed product streams.

Fine Grinding Sizer

Fine Grinding Sizers

This small-footprint Fine Grinding DDC-Sizer offers a cost-effective alternative to high-pressure grinding machines. They are ideal for use in pilot plants or for small capacity applications, such as lithium, cadmium, uranium coal and agglomerated ores.

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