Heavy Duty Diesel Engine Oils

RUBIA TIR 8600 10W-40

Premium synthetic diesel engine oil offering excellent protection, extended oil drain intervals, and outstanding engine cleanliness for modern heavy-duty trucks.

RUBIA WORKS 1000 15W-40

Robust diesel oil specifically formulated for off-road, mining, and construction equipment operating under severe conditions.

RUBIA FLEET HD 300 15W-40

Reliable multigrade oil offering solid engine protection, good thermal stability, and sludge prevention for older diesel engines.

RUBIA FLEET HD 200 SAE 30

Monograde diesel oil for stationary and older engines, providing adequate protection in moderate operating conditions.

RUBIA FLEET HD 200 SAE 40

Durable monograde oil with strong anti-wear and detergent properties, designed for steady-duty diesel engines.

RUBIA FLEET HD 100 SAE 40

Monograde oil suitable for diesel engines with moderate load requirements, providing standard engine protection and sludge control.