We can take a look under the hood
GASCO HD-D 40 is high performance mono-grade diesel engine oil suitable for mixed fleet of diesel and petrol engines. Recommended for many diesel and petrol engines including on highway trucks, construction equipment, light passenger and commercial vehicles.
Specifications: SAE; 40 API: CF-2/SF
Pack Size: Available in 210L, 20L, 5L and 1L