Mobil DTE 846
Mobil DTE 846 is a high-performance turbine lubricant engineered for use in steam turbines, gas turbines and combined cycle (CCGT) systems operating under severe conditions. Formulated with high-quality hydrotreated base oils and advanced additive technology, it delivers exceptional resistance to thermal and oxidative degradation while maintaining excellent system cleanliness and deposit control. The formulation also includes a non-zinc anti-wear system to support load-carrying requirements in geared turbine applications.
One of the key advantages of Mobil DTE 846 is its outstanding thermal and oxidation stability. The lubricant resists breakdown under high operating temperatures, helping to minimise sludge and deposit formation. This supports cleaner turbine systems, improved reliability and extended oil service life.
Mobil DTE 846 also provides excellent water separation performance. The oil effectively separates from water, helping maintain lubrication efficiency and supporting water removal systems. This is particularly beneficial in steam turbine environments where moisture contamination may occur.
Another important benefit of Mobil DTE 846 is its strong anti-wear protection. The formulation is designed to protect both geared and non-geared turbine systems, helping reduce wear on critical components and extend equipment life. This contributes to reduced maintenance costs and improved operational reliability.
Mobil DTE 846 also offers excellent air release and anti-foaming properties. These characteristics help prevent aeration, cavitation and unstable operation, ensuring smooth control system performance and reliable turbine operation.
Mobil DTE 846 is recommended for use in steam turbines, gas turbines and combined cycle power generation systems, including applications with common lubrication systems. It is suitable for electric power generation, natural gas transmission, process industries and cogeneration plants requiring a single high-performance turbine oil.
Physical characteristics include a kinematic viscosity of approximately 42.4 mm²/s at 40°C and 6.2 mm²/s at 100°C, with a viscosity index of around 106. Mobil DTE 846 has a density of approximately 0.86–0.87 kg/l at 15°C, a flash point of approximately 244°C and a pour point of approximately −30°C, supporting reliable performance across a wide range of operating conditions.
