Doppstadt AK 635 SA EcoPower


This 3 axle machine offers a  a 6m feeding hopper and a 7m long discharge conveyor, the SA 635 SA can process a variety of materials.  At the heart of the machine is a 2.5 tonne flail drum which rotates at an impressive 1,000 rpm and incorporates 36 free-swinging flails.

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AK 635 SA EcoPower is destined for greater things with its 6 m wide feed hopper and 625 horsepower semi-trailer which is 18 meters in total length (including extended discharge conveyor). However, the machine can be compacted down to 12.4 m/2.5 m (length/width) for transport and is ready for operation within a couple of minutes.

AK 635 SA EcoPower boasts a Separated unit drive of the scraper floor and a swing-mounted feed roller, as well as a load-sensitive material feed technique. Which ensures constant throughput and maximum capacity utilisation




  • Continuous grinding with maximum performance by means of load sensing material in-feed
  • 6 m feeding hopper and 7 m long discharge conveyor
  • Contaminant resistant thanks to free-swinging flails
  • Easy one-man operation
  • Large protection doors on either side and centralized lubrication points for easy maintenance


The universal grinders of the Doppstadt AK series process green waste, yard  waste, biowaste, pre-shredded logs and roots, waste wood and wooden  pallets. For special applications, the AK grinders can be combined with  other Doppstadt products, such as shredders or screening machines