The patent-registered hydraulics swivel arm

Der LH-Schwenkarm
The LH-swivel arm is the safe connection between tractor and trailer. With the Launhardt Hydraulik-swivel arm, which has been developed and is manufactured within our company, chafed and fissured hydraulic pipes between tractor and trailer, as well as, expensive oil mishaps are a thing of the past. The Launhardt hydraulic swivel arm has been patented since 2002, and more than 15,000 vehicles have already been equipped with it. The number of trucks being equipped with the hydraulic swivel arm has hitherto increased in the doulbe-digit percentage every year.

Die LH-Schwenkarm Montage

The advantages are obvious:
  • Highest operating safety – no maintenance
  • No more twisted or worn hydraulic pipes
  • Ideal connectivity possibilities – even for all-wheel-drive vehicles
  • Simplest assembly = time saving
  • Simple retrofitting for vehicles with the old pivoting systems
  • Very low weight of LH-35 = 3.6 kg and LH-65 = 4.6 kg
  • Hose clamps and scouring protection means are not needed
  • Retrenchment of approx. 1 metre of hydraulic pipe
  • Better durability by chromium-plated rotary feedthrough and gunmetal elements
  • Universal application – expandable up to threefold type
  • Every Launhardt hydraulic swivel arm is checked for proper operation
  • Highest quality

The maintenance-free LH-swivel arm is universally applicable for all hydraulic systems with a working pressure of max. 300 bar and is available in twelve versions. It can be mounted as single, doublicate or triplicate type.



  • Main fields of application of the
  • LH-swivel arm
  • Tipper trailers
  • Flat bed trailers
  • Silo trailers
  • Building material delivery vehicles
  • Tank lorries
  • Large crane
  • Walking floor trucks
  • And others
Logo Launhardt