The TL123AX (LEO 40GTX) is an impressively large boom with a compact dimension. Even with its impressive working height of 129′, it is still capable of entering a standard double doorway. Also noteworthy is an outreach of approximately 50′ at a height of 82′. The TL123AX is an extremely versatile machine for a wide range of inside and outside applications. Its height and width adjustable tracked chassis proves versatile and non-damaging across landscaped surfaces or floors with fragile or sensitive tiles. Most importantly, it’s articulated boom design combined with the smooth computer enhanced, electric over hydraulic controls make the machine easy to operate and smooth in movements.

  • Compact design, travels through any standard double door
  • 123′ Platform height, 129′ Working height
  • Less than 90psf in work position
  • Reliable and comprehensive safety control system
  • 440lbs unrestricted basket capacity and 880lbs to 118′
  • Multi-position and automatic, self leveling outriggers
  • Setup on slopes up to 30%
  • Dual power operates on 440V electric power or 26.9hp diesel engine
Brochure Manual Workshop Manual

With Teupen, worker safety is a guarantee. Intelligent control logic and superior design and construction provide an extremely smooth and accurate lift operation.
• Rigid boom operation, precise electric control
• Hoses and wires routed through the boom
• Computer-monitored, integrated safety system
• Designed, built and tested to ANSI and CSA standards


Teupen makes lightweight machines for working in areas with floor load restrictions or sensitive surfaces—such as hardwood, tile and grass. Machines also collapse to a compact size for maximum portability from one job to the next.
• Low ground pressure — less than 100 psf surface load
• Rubber, non-marking tracks
• Weighs one-third the weight of similar machines


Whether uneven, sloped or tight, complicated surfaces and small work areas are no problem. The LEO-series has automatic, self-leveling outriggers, height and width adjustable tracks, and is ready to work in just a few minutes with the push of a button. Whether craning to the top of a building, entering narrow access points, setting up on steep slopes or navigating high-end tile surfaces, the LEO offers the best solution.


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