*Extended oil drain interval (ODI) potential is based on the average of US Class 8 engine manufacturers’ recommendations. Results will vary depending upon vehicle/equipment type, fuel consumption, maintenance practices, temperature, and variable driving/operating conditions. Consult the engine/vehicle OEM and Chevron before implementing extended ODIs, especially if the engine/vehicle is under warranty.
**Improvement vs. SAE 15W-40 oil in class 8 diesel engine bench testing. Actual savings will vary depending upon vehicle/equipment type, load, temperature, and variable driving/operating conditions.