Heavy duty diesel engine oil is an essential vehicle maintenance product formulated to meet the rigorous demands of diesel engines. Diesel engine lubricant provides superior protection against extreme pressure, soot, and wear, ensuring optimal engine cleanliness and longevity. Its advanced additives enhance fuel economy, control viscosity under high temperatures, and prevent oxidation and deposit formation. This category is critical for maintaining engine power, reliability, and compliance with emission standards in heavy-duty and commercial vehicles.

Key Reference Specifications:

· Viscosity Grades: SAE 15W-40, 10W-30, 5W-40

· API Classification: CK-4 / CJ-4 / FA-4

· Performance: High-temperature stability, shear resistance, soot handling, corrosion protection

· Applications: Trucks, buses, construction equipment, agricultural machinery