The SWARCO (formerly Dambach) Rotary Drum Sign uses triangular prism technology, all metal gearing and heavy duty drive motors, to create a highly reliable variable message sign with sharp legibility as well as low power consumption. You can customize these signs to be any size, thrive in any environment, and, most importantly, meet any application and rotary drum specification.


  • Tollway Management
  • Variable Speed Limit Signs
  • Hard Shoulder Lane Management
  • Construction Zone Management
  • Directional Guidance
  • Weigh Station and Rest Area Management
  • Commercial Advertisement Billboards
  • Reliability - all metal gearing, no belts or chains
  • Adaptability - multiple messages
  • Customization - any size and design
  • Low Power Consumption
  • Meticulously Engineered - long product life
  • Virtually Maintenance Free
  • Years of Experience with Impressive References