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TotalEnergies Rubia Optima 4100 XFE 5W-30 Diesel Engine Oil 208 Litres

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Product Features

TotalEnergies Rubia Optima 4100 XFE 5W-30 is a fully synthetic, low-SAPS (sulphated ash, phosphorus, and sulphur) lubricant designed for modern diesel engines, especially for on-road heavy-duty applications. This engine oil is developed using advanced fuel economy technology and meets the latest API FA-4 specifications.


  • Exceptional Fuel Economy: Specifically formulated with low High Temperature High Shear (HTHS) viscosity, Rubia Optima 4100 XFE 5W-30 maximizes fuel economy without compromising engine protection.
  • Superior Stability: Offers excellent shear and oxidation stability, ensuring consistent performance and protection under demanding conditions.
  • Aeration Control: Designed to control aeration exceptionally well, maintaining optimal engine performance even under high temperatures and pressures.
  • High-Performance Additives: Combines high-quality base stocks with advanced additives, resulting in an exceptionally high-performance engine oil.
  • Engine Cleanliness: Advanced detergent, dispersant, and anti-wear additives effectively control soot, sludge, and deposits, keeping the engine’s most sensitive parts clean and ensuring extended engine life.

TEST Unit Test Method Result
Density at 15 °C kg/m³ ASTM D1298 860
Kinematic viscosity at 40°C mm²/s ASTM D445 58
Kinematic viscosity at 100°C mm²/s ASTM D445 10
Viscosity index - ASTM D2270 162
Pour point °C ASTM D97 -36
Flash Point °C ASTM D92 236
T.B.N mg KOH/g ASTM D2896 10.4
Sulphated Ash % m/m ASTM D874 1.0