Application temperature range: from -25 °C to + 50 °C. Seasonal mineral diesel oil (SAE 50). It belongs to groups A, B2. Application: It is used for lubrication of V-2 type transport diesel engines and naturally aspirated engines with similar boost levels. Performance properties: - it has good detergent, anti-oxidant, anti-corrosive and anti-wear properties. Oils of groups A, B2 are intended for use in diesel engines of old models operating on fuels with low sulfur content. The popularity of the oils of these groups remains in most cases due to the tradition and low prices. With rare exceptions, these oils can be replaced by more efficient oils of group V2 of the same viscosity class.