Rotochopper grinding solutions convert a wide range of feedstocks into premium end products with “Perfect In One Pass” simplicity.


Through our commitment to “Perfect In One Pass” equipment solutions, we continue to develop new innovations for challenging grinding applications.


Our factory-direct customer support team provides world-class service and expert guidance to keep your grinding operation running at peak performance.


Through our commitment to customer success, we lead the industry in innovation, developing several industry firsts, patented features, and unique machines.

B-66 E


High-Volume, High-Efficiency Grinding

The B-66 E adds precision grinding capacity and rugged engineering to the efficiency and reliability of electric power for remarkable uptime and productivity.

B66E front angle

Unparalleled in high-volume grinding efficiency, the B-66 E offers “Perfect In One Pass” simplicity for colored landscape mulch, animal bedding, and other products.

rotochopper b-66-e electric horizontal grinder cover

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Featured Specificaitons

UP TO 1000HP
Icon/Weight 59,000 - 65,000lbs
Icon/Opening 66" x 36" Throat Opening
Icon/Electric 1 Electric Motor

Exclusive Technology

Grind & Color System
This patented system injects colorant directly into the grinding chamber to produce mulch with the right size, texture, and color.

Replaceable Mount Rotor
Simple yet rugged, this patented rotor lets operators quickly swap tooth mounts without special tools—just two bolts per mount.

Mechanical Start Assist
This patent-pending system reduces start-up amp surges by hydraulically spinning up the rotor before starting the main electric motor.”


High-Volume Precision Grinding
The B-66 E delivers high-volume “Perfect In One Pass” simplicity for colored landscape mulch, animal bedding, and other premium products.

Simplified Maintenance
The B-66 E maximizes the reliability of electric power with rugged engineering and time-saving features that limit maintenance downtime.

Unmatched Efficiency
No other grinder delivers this level of precision grinding efficiency for such a broad range of feedstocks and engineered fiber products.

b66e mobile electric horizontal grinder by mulch piles
"The B-66 E grinds railroad ties to a fuel product without difficulty, which has allowed us to take advantage of new opportunities."

— Joe Volini, Heartland Recycling

Ready to Learn More?

Are you ready to see how the B-66 can minimize your grinder operating costs? The lower cost of electricity vs. diesel fuel is just the beginning.

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