The Tri Tech Automatic Rotary Unloader (ARU) is a completely automated solution to the future of mail handling. This system operates at the rate of 2.2 containers unloaded per minute; this rate is increased to 4.2 containers per minute when two unloaders operate in line with each other. Control is provided by very reliable Programmable Logic and Motion Controls.


  • In line and interfaced with take-away conveyor
  • Two container stations on a center rotary housing
  • Interfaced with in-floor chain loop
  • Interfaced with other unloaders operating nearby
  • Operates in line with other unloaders to maximize productivity