WSK “PZL-KALISZ” S.A. is a Polish aerospace company established in 1952. WSK “PZL-KALISZ” S.A. manufactures ASz-62 IR piston engines for the An-2 and M-18 “Dromader” Y5B aircraft. In its latest retrofit evolution, the ASz-62 IR features an electronic fuel injection system, which supports automotive-grade fuel (E95), a longer installation life and a higher power rating. The commercial products and services of WSK “PZL-KALISZ” S.A. include manufacturing of aerospace gear wheel and gearboxes, Diesel engine components, oil pumps and pump casings. The gear wheels and boxes are delivered to global aerospace customers. WSK “PZL-KALISZ” S.A. provides contracted services in machining, heat treatment, thermochemical treatment, and galvanic processing.

 WSK “PZL-KALISZ” S.A. provides products to the global aerospace and automotive industries, including tractive vehicle and motor vehicle segments. WSK “PZL-KALISZ” S.A. provides cooperation in the manufacturing of industrial machine components (with the core segment in gear wheels).

The high quality of products and processes has been certified: 

•ISO 9001-2008
•AS 9100
•PART 145.
•AQAP- 2110
•NADCAP certification of nitriding (in gas and ion processes), vacuum hardening, chrome-plating, phosphatizing, passivation, chemical EDM, surface NDT (Nittal etching) and magnetic flaw detection processing.
•WSK “PZL-KALISZ” S.A. has a certified Internal Control System to permit sale of special production articles.

Business activity

Keywords associated with this company

Piston engines /  Chrome plating /  Pump casings /  Oil pumps /  Gear wheels /  CNC machining /  Thermochemical treatment /  Diesel engine components /  Vacuum hardening /  Passivation /  Phosphatizing /  gear boxes /  heat treatment /  machining / 

Additional details


  • Main activity
    Manufacturer/ Producer

Markets and trading zones

  • Trading areas
    Regional  -  National  -  European  -  International

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