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.



High-Efficiency Grinding

The FP-66 is uniquely scaled to match the needs of forestry biomass processors, large pallet shops, and other companies that need a full-featured grinder with mid-range horsepower.

FP66 front drive side

The FP-66 packs high-volume “Perfect In One Pass” grinding technology and mid-range horsepower into a platform designed for both efficiency and versatility.

rotochopper fp-66 horizontal grinder cover

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Featured Specificaitons

Icon/Weight 57,000 - 87,000lbs
Icon/Opening 66" x 26" Throat Opening
Icon/Diesel Diesel Engine

Exclusive Technology

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

Screen Installation System
One operator can quickly and easily change screens with the patented screen installation system.

StopWatchTM Monitor & Control System
Upon detection of ungrindable objects, the system stops and reverses the infeed conveyor to reduce the chance of repeatedly striking the object.


Precision Grinding
The FP-66 is designed to optimize horsepower efficiency without sacrificing versatility or precision product control.

Simplified Maintenance
Engineered through customer feedback, the FP-66 streamlines routine maintenance and limits downtime to maximize your productivity.

Unmatched Efficiency
The FP-66 sets the standard in mid-sized grinders for efficiently converting a broad range of feedstocks into premium products.

skid and pallet fp66 diesel wood grinder
"The people at Rotochopper stepped right in and took care of us. That’s the tradition of Fred Peltz that lives on."

— Greg Lauer, Skid and Pallet

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