SAE Grade: 15W-40


Mixed fleets of diesel engines (high speed, four-stroke, turbocharged or naturally aspirated). Four-stroke gasoline engines in mixed fleets of diesel and gasoline engines. Commercial road transport. Off-highway vehicles and plant. Agricultural tractors and farm machinery. High speed diesel engines in marine service (e.g., fishing boat, river transport). Generator sets. Mobile hydraulic systems (where oil type and viscosity are appropriate).

Car Mileage (km) 0 - 150000
Oil Mileage (km) 5000 - 6000
Kinematic Viscosity, mm2/s @ 40°C 115
Kinematic Viscosity, mm2/s @ 100°C 15.1
Viscosity Index 137
Sulfated Ash, %m/m 1.4
Phosphorous, m% 0.11
Zinc, m % 0.12
Total Base Number (TBN) 10.2
Flash Point, °C
Pour Point, °C

Delo® Gold Ultra is a high performance, multigrade, heavy-duty diesel engine oil specifically designed to lubricate a wide range of engines requiring API CI-4 or ACEA E7 performance lubricants.

Delo Gold Ultra is formulated with ISOSYN® technology. ISOSYN® technology, including a combination of high performance hydrocracked base fluids and carefully balanced metallic detergent and ashless dispersant additive system, provides excellent overall engine cleanliness in all service conditions. ISOSYN® technology also confers the high degree of soot dispersancy required to maintain oil drain intervals in modern engine designs.

Highly effective oxidation stability protects against the formation of gums and varnish at elevated temperatures. High efficiency dispersant combination plus proven metallo-organic anti-wear additive system provides excellent protection against wear of critically loaded components under all operating conditions. Multigrade viscosity provides additional protection against wear at start-up and under high temperature operating conditions.

Outstanding metallic detergent additive system preserves full power and performance by providing excellent upper-ringbelt deposit control under the high temperatures encountered in turbocharged diesel engines. Highly effective antioxidant system inhibits the formation of sludge forming materials which can lead to premature oil thickening and filter plugging. Very effective dispersant system further assists by keeping insoluble contaminants finely suspended in the oil, minimizing their ability to block oil filters.

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