Oil TSP-15K (GOST 23652-79) is a transmission oil, one for the transmission gearbox and the main gear (double-reduction gear unit with spur and spiral bevel gear wheels) of KAMAZ trucks and other commercial vehicles.
This oil is a residual oil with a small addition of distillate oil and additive package that improve extreme pressure, wear-preventive, low-temperature and anti-foam properties.
Continuous performance efficiency at temperatures ranging from -20 °C to +130 °C.
Kinematic viscosity at 100 °C, mm2/ s: 15
Kinematic viscosity at 40 °C, mm2/ s: —
Viscosity index, not less than: 90
Flash point in open cup, not less than, °C: 185
Pour point not higher than, °C: -25
Density at 20 °C, kg/cu.m, not more than: 910
Mass fraction of water,% , not less than: traces
Mechanical impurities, mass %, not more than: 0.01
The mass of phosphorus, %, not less than: —
Mass fraction of barium ,%, not less than: —