Mulch Grinders

CBI mulch grinders turn wood debris, bark, and clean construction wood into valuable end products while freeing up space. From coarse material for erosion control to fine, colored mulch for commercial or residential use, CBI grinders can be configured with tips and screens to achieve the perfect size. Rugged and precise, CBI equipment has led the industry for over a decade, trusted by top mulch manufacturers.

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5800BT Horizontal Grinder - All Cape Recycling Mulch Production

With limited space on Cape Cod, All Cape Recycling relies on their CBI 5800BT Horizontal Grinder for recycling material from their construction sites. They recently helped develop a site for a new skatepark in the town of Falmouth and repurposed all material into premium landscape products.

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5800BT Horizontal Grinder- Mulch Production

5800BT Mulch Production

5800BT Horizontal Grinder - Mulch Production

The CBI 5800BT Horizontal Grinder powers through wood waste to produce high-quality mulch. Built for speed, durability, and precision, this machine turns brush, logs, and yard debris into a valuable finished product, ready for landscaping or composting.

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Your Guide to Mulch Grinding

Primary Grinding

Magnum Force 6800CT Horizontal Grinder

Primary grinding is the first reduction stage where large yard waste, logs, brush, limbs, and mixed green debris, is processed into a manageable size. CBI machines like the 6800BT or 6400CT are ideal thanks to their high horsepower, wide infeed openings, and heavy-duty rotors. The goal is fast volume reduction and a consistent base material ready for secondary grinding or composting. This stage handles dirty, bulky feedstock with ease, making it perfect for municipalities, land clearing, and large yard waste facilities.

Horizontal Grinders

Magnum Force 5900T Horizontal Grinder

The CBI 5900T Horizontal Grinder is a powerful solution for mulch production and yard waste reduction. Driven by a high-horsepower CAT engine and equipped with a 40" x 60" down-turn rotor, it effortlessly processes bulky wood debris, brush, and organic waste into consistent mulch in a single pass. Its heavy-duty infeed system and reinforced hog box ensure smooth material flow, even with fibrous or dirty loads, while the built-in metal detection system safeguards against contaminants. With a range of interchangeable screens for precise end-product sizing, the 5900T delivers exceptional throughput and quality in high-demand mulch operations.

Horizontal Grinders

Secondary Grinding

Grizzly Mill Wood Waste Grinding Rotor

The CBI Grizzly Mill is a rugged, high-performance grinder designed for secondary mulch production and waste wood processing. Engineered for efficiency and durability, it easily regrinds coarse material from primary grinding into a consistent, high-quality mulch product. Its heavy-duty rotor and reinforced hog box handle fibrous, contaminated, or irregular feedstock without clogging, while integrated metal detection safeguards against damage. With configurable rotor sizes and interchangeable screens for precise sizing control, the Grizzly Mill delivers exceptional throughput and uniform results in demanding mulch refinement operations.

End Use

Mulch Production

Compost Feedstock

Topsoil Blending

Erosion Control & Land Reclamation

Bioenergy Feedstock