Versatile High-Volume Grinding
The B-66 transforms a broad range of raw materials—whole trees, slabwood, railroad ties, asphalt roofing shingles, bales, sorted C & D, wood chips, pallets—into engineered fiber
Contact a Sales Rep
Icon/Weight 67,000 - 96,000
Icon/Opening 66" x 36"
Icon/Diesel Diesel Engine
The B-66 is a high-volume solution for colored mulch, animal bedding, and other engineered fiber products. The B-66 simplifies high-volume grinding with exclusive features designed to maximize uptime and end product control.
RotoLink Monitoring System
Monitor and adjust critical settings on your grinder with Rotochopper customer service in real-time using the
RotoLink monitoring system from anywhere in the world.
Grind & Color System
patented Generation II Colorizer System maximizes quality while minimizing costs by injecting colorant directly into the grinding chamber to produce mulch with the right size, texture, and color.
The B-66 combines high throughput capacity with grinding simplicity for colored mulch, animal bedding, and other products.
The B-66 maximizes your up-time productivity with time-saving features like our patented screen changer and replaceable mount rotor.
No other grinder offers this level of versatility to quickly switch between diverse feedstocks while maintaining precise product control.
Track & Dolly System
It’s the best of both worlds: crawler tracks to navigate your work site, plus a removable dolly to streamline highway transport.
Replaceable Mount Rotor
Simple yet rugged, our
patented rotor limits bolt stress from severe impacts and lets operators quickly swap tooth mounts without special tools—just two bolts per mount.
Screen Installation System
patented system allows operators to quickly change screens – reducing downtime and enhancing versatility – without needing overhead lifting equipment, fasteners or special tools.
Adjustable Slab Ramp
This patented feature enables the operator to hydraulically raise or lower the height of the cutting anvil relative to the grinding rotor.
Rotochopper B-66: US Composting Council Compost 2018 Demo Day
Rotochopper rocked it at the US Composting Council’s Compost 2018 demo day. Watch the Rotochopper B-66 950hp grind dirty logs and yard waste used to produce compost.
Subscribe to our YouTube Channel
Length: 42′ 1″ – 50′ 11″
Width: 9′ 11″ – 11′ 1″
Height: 13′ 6″ – 14′ 1″
Weight: 67,000 – 96,000 lbs.
755–1050 HP diesel engine
340-gallon fuel capacity
Microprocessor engaged HTPO clutch
Reversible radiator fan
Looking for something larger? Rotochopper’s B-66 L-Series horizontal grinder, is the most advanced fiber processing system on the market. The B-66L has been designed to meet the needs of grinding larger, more abrasive feedstock material and engineered to increase overall production rates with unmatched efficiency.
Learn more about the B66L horizontal grinder.
The reliability and consistency of the product coming off of the B-66 is what really sold us on it.
— Mike Walker, Hansen's Tree Service
Horizontal Grinders vs Whole Tree Chippers Chippers and grinders each have unique advantages for different fiber sizing applications. Which is […]
When grinding and coloring there are multiple factors that could affect your end-product characteristics, including feedstock, moisture content, screen size […]
National Safety Month provides a reminder throughout the year to always think safety when operating any heavy equipment and promote […]
Connect with Rotochopper to see our machines in action, new products, news and events!
We would love to see your photos and videos! Tag #Rotochopper in your posts to share them with us.