Crawler bulldozers of the Russian company CHETRA, manufactured at the Promtraktor plant in Cheboksary, have become the embodiment of advanced design developments and technological solutions. This is an innovative technique with unique features, "sharpened" for long-term excavation work in difficult weather and operating conditions. Due to the possibility of using in the temperature range from -50º to + 35º С, it is ideal for the realities of the Russian climate.