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.



Highly Portable & Highly Equipped

Customers around the world depend on the MC-266 for its ability to make high quality finished products from diverse raw materials: colored mulch from pallets, animal bedding from sorted C & D, compost from yard waste, and much more.

MC266 back angle in

The MC-266 is a highly portable yet full-featured grinding solution that brings “Perfect In One Pass” convenience for diverse feedstocks.

rotochopper mc-66 horizontal grinder cover

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Featured Specificaitons

Icon/Weight 42,500 - 57,000lbs
Icon/Opening 66" x 18" Throat Opening
Icon/Diesel Diesel Engine

Exclusive Technology

StopWatchTM Monitor & Control System
The StopWatch system monitors rotor vibration to reduce damage from severe impacts with un-grindable objects, rotor imbalance, and other causes of damaging vibration.

Screen Changer
This patented system lets a single operator swap screens at ground level without special tools, fasteners, or overhead lifting equipment.

Slab Ramp
Simple to adjust, this patented system offers unique control for pliable feedstocks to maintain steady grinding without overfeeding.


Precision Grinding
The first machine capable of simultaneously grinding and coloring, the MC series remains a trusted choice for demanding end products.

Simplified Maintenance
The MC-266 maximizes uptime productivity with time-saving features like our hydraulic screen changer and StopWatch monitoring system.

Unmatched Portability
The MC-266 packs our “Perfect In One Pass” end product control into a highly portable grinder available on tires or crawler tracks.

mc266 green waste
"My Rotochopper equipment has opened doors and provided endless opportunities for my business."

— Trevor Hansen, Hansen Companies of Spicer

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