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RotochopperModel B-66 SP -Multi Purpose Shingle Grinders

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The B-66 SP is unmatched as a high-volume grinder for wood and asphalt shingles. The B-66 SP`s versatility, high production capacity, and simplified maintenance make it a popular choice for contract shingle grinding companies that travel from site to site and encounter different grinding conditions in each location. Rotochopper multi-purpose shingle grinders are second only to our purpose-built shingle grinders in low wear and consistent uptime. Rotochopper multi-purpose shingle grinders process asphalt shingles, wood waste, and other materials with minimal wear and maintenance downtime thanks to exclusive wear-limiting features. The Rotochopper difference is also evident in the features you won`t find on Rotochopper shingle grinders:

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  • No augers, sprockets, or chains operating in abrasive fines
  • No infeed conveyor components exposed to the grinding zone
  • No serpentine drive chains 
  • No concave anvils above the grinding rotors that require frequent hardfacing
  • No wear surfaces that require weekly hardfacing
  • No spiral rotor tooth patterns that forces abrasive fines into the grinding chamber walls

Versatility + Minimal Wear

Available from 350 to 765 horsepower, diesel or electric, Rotochopper multi-purpose shingle grinders are popular with transfer stations, grinding contractors, and other companies that process multiple waste streams, including sorted C & D, municipal yard waste, pallets, tree chips, logs, and all types of shingle waste. Our multi-purpose shingle grinders add unique wear-limiting features to the proven versatility of Rotochopper horizontal grinders.

Shingle Grinders Matched to Your Needs

Whether you need to grind 20 tons per hour of shingles or 100, a Rotochopper shingle grinder will produce finely ground shingles at the lowest cost per ton.

Dimensions
  • Length: 49` 7"
  • Height: 13` 3"
  • Width: 9` 9"
  • Weight: approx. 67,500 lbs.
Power Supply
  • 700 - 765 HP diesel
  • 340 gallon fuel capacity
  • Microprocessor engaged HTPO clutch
Feed Systems
  • 66" W x 32" H infeed clearance
  • 66" W x 16` L heavy duty steel belt infeed conveyor
  • 32" diameter x 66" W power feed roller
  • Hydraulic powerfeed down pressure
  • Engine load regulated feed rates
Conveyor Discharge
  • 48" W x 26` L folding truck loading conveyor
Trailer
  • Three 25,000 lb axles
  • Fifth-wheel hitch
  • Hydraulic jacks
Grinding Chamber
  • 42" diameter x 66" W rotor
  • 5.4375" diameter rotor shaft
  • Patented replaceable rotor tooth mounts
  • Shear pin protected screen installation system
  • Grinding chamber direct injection water manifold
Options
  • Crawler tracks
  • Magnetic head pulley
  • Cross-belt conveyor
  • Dust hood
  • Air compressor
  • Cold start kit with integrated timer