The Onega Tractor Plant or Onezhskiy Tractor Plant (Russian: Онежский тракторный завод, romanized: Onezhsiy traktorniy zavod, abbreviated ОТЗ, OTZ) is a major Russian machine-building manufacturing plant in Petrozavodsk, Karelia, Russia.

The first tractor, tracked skidder the TDT-40 model, was manufactured on 1956.

[1] The Onega Tractor Plant (OTZ) is a company in Russia that manufactures and markets a range of forestry vehicles and machinery such as forwarders and harvesters.

Media related to Onezhsky Tractor Plant at Wikimedia Commons (in Russian)

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