Austrian Competences in Aeronautics Technology


The Spirit of Precision. As a specialist in the aerospace sector Zoerkler offers development, production and testing of transmissions and complete drive systems for helicopters and fixed wing aircraft, precision parts as well as spur and bevel gears according to customer’s requirements.

Technologies and competences

All steps are covered in-house – engineering, prototypes and small series production, assembly, testing and documentation. Zoerkler’s team comprises design engineers for transmission development and FEM-analyses, specialists for manufacturing, quality assurance, assembly and testing. The drive systems are manufactured in the High-Tech machine park and tested in Zoerkler’s own test stand center–one of the most modern worldwide with transmission, hydraulics, shaft and fatigue test stands.

Fields of Activity Research Development Production
Aircraft (complete)      
Aircraft structures and parts      
Engines yes yes yes
Cabin interiors and furnishing (incl. cargo hold)      
Materials and manufacturing technologies yes yes  
Cockpit equipment and aircraft electronics      
Systems yes yes yes
Air traffic infrastructure and air traffic control applications      
Ground test and training equipment yes yes yes
Airport infrastructure      

Products and services in aviation

  • Complete transmission system: • Main Gearbox • Tail Gearbox • Main Shaft • Tail Shaft
  • Development, Design, Prototypes and Small Series Production, Testing, Certification, Assembly, MRO
  • High precision gears, bevel gears, landing gears, valves, machining of gearbox housings, pistons
  • rotor parts, rotor shafts, crank shafts

Aviation standards and certifications

  • EN/AS 9100
  • ISO9001

Zoerkler Gears GmbH & Co KG

Friedrich Zoerkler Strasse 1
7093 Jois, Austria
+43 2160 20400


Bernhard Wagner

Employees 50 - 250
Turnover > 10 M€
Export quota aviation 60 %
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Last update: 2016-11-21