Kambarka Engineering Works - Full name: Open Joint Stock Company «Kambarka Engineering Works» (Russian: КМЗ or Камбарский машиностроительный завод; Udmurt: Камбар машина лэсьтонъя завод).

A rolling stock manufacturer, located in the city of Kambarka (Udmurt), Russia.

Construction of an iron work started in 1761 and opened in 1767.

The companies product range consists of rolling stock, work trains for track maintenance and spare parts, primarily for narrow gauge railways with the track gauge between 750 mm (2 ft 5+1⁄2 in) and 1,067 mm (3 ft 6 in) - 1,520 mm (4 ft 11+27⁄32 in).

Produced for: Russia, Estonia, Latvia, Lithuania, Ukraine, Belarus, Poland,[1] Bulgaria,[2] Slovakia,[3] Argentina, Vietnam,[4] Cambodia,[5] Cuba,[6] Mali, Nicaragua, Uzbekistan,[7] Guinea-Bissau.