From grain to feed

Crumbler

The Crumbler is designed for efficient, high quality pellet crumbling with minimal fines. Two large independently driven rollers and an integrated rotating feeder ensure uniform processing, while precise roller adjustment allows easy control of crumble size. The design focuses on accessibility, hygiene, and low energy use for reliable operation.

  • Independently driven rollers for precise control
  • Remote roller adjustment (optional)
  • Easy access for cleaning and maintenance

crumbler-header

Performance & Applications

Overview

Key benefits

Discover the key benefits of the Crumbler

  • Two 300 mm axially and radially riffled crumble rollers made from hard cast iron (Hartguss) ensure durability and consistent results.
  • The integrated rotating feeder guarantees even product distribution across the rollers.
  • Manual or remote roller adjustment (0.1 mm accuracy) simplifies operation and enhances precision.
  • V-belt transmission provides smooth, reliable drive performance.
  • The HE design improves accessibility and allows roller exchange from the front or sides, reducing downtime.
  • Safety features include die spring protection against foreign objects, inspection hatches with safety switches, and closed heavy-duty bearings.
  • Designed for higher capacity at equal energy input with easier service and maintenance access.


Available executions

  • Standard mild-steel housing and rotating feeder.
  • 300 mm diameter crumble rollers, axially and radially riffled.
  • Independent roller drive system via V-belts.
  • Manual roller adjustment standard; optional remote-controlled system for continuous operation.
  • Read-outs accurate to 0.1 mm for precise setting.
  • Frequency-controlled dual rotation feeder with bypass function (converter optional).
  • Rollers exchangeable from front and side.
  • Safety systems: inspection hatch with safety switch, spring-loaded protection, level indication included.


Downloads

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Technical Datasheet
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Your questions answered

FAQ

It uses large, independently driven rollers and a dual rotation feeder for higher capacity, more consistent results, and lower energy use.

Yes, the Crumbler HE can be equipped with an optional remote roller adjustment system for convenient, precise control during operation.

They are made from hard cast iron (Hartguss) with axial and radial riffling for maximum strength and longevity.

The HE line design allows full front and side access to the rollers, while closed bearings and safety hatches reduce maintenance effort.

Models range from CR 307 (up to 15 t/h) to CR 318 (up to 40 t/h), depending on product type and desired crumble size.

Let's talk

Every successful project starts with a conversation.

No matter what your needs, we have all the equipment and process expertise to help you achieve it. Contact us today and let’s talk.

+31 (0)79 593 22 21 | info@ottevanger.com

From 1 January 2026: becomes
Ottevanger

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