Grun Fluids Synthetic Blend Heavy Duty Engine Oil are specifically engineered to provide excellent service in both diesel and gasoline engines used in cars, trucks, off-road vehicles, farm equipment, heavy construction equipment and other mobile and stationary engines.
Grun Fluids Heavy Duty Motor meets or exceeds the API CK-4, CJ-4, CI-4 and SN services as well as all prior API specifications

Synthetic Blend HDMO │ SAE 10W-30, API CK-4/SN
Grun Fluids Synthetic Blend Heavy Duty Engine Oil are specifically engineered to provide excellent service in both diesel and gasoline engines used in cars, trucks, off-road vehicles, farm equipment, heavy construction equipment and other mobile and stationary engines.
Grun Fluids Heavy Duty Motor meets or exceeds the API CK-4, CJ-4, CI-4 and SN services as well as all prior API specifications
Available in:
- 5 Gal Pails
- 55 Gal Drums
- 265 Gal Tote