Description
Description
SAE 15W-40 Heavy-Duty Diesel Engine Oil
INER-G Lubric DM300 is a SAE 15W-40 diesel engine oil meeting API CI-4/SL and ACEA E7 performance levels. It is intended for demanding diesel-engine applications where the equipment manufacturer specifies this viscosity grade and performance level.
Typical Applications
- Diesel generator engines
- Heavy-duty commercial vehicles and fleets
- Construction equipment
- Agricultural equipment
- Other diesel engines requiring SAE 15W-40 API CI-4 / ACEA E7 performance
Always follow the engine manufacturer’s lubricant specification and recommended service interval.
For practical selection factors such as SAE viscosity, API/ACEA performance, operating profile and service interval, see our guide to choosing engine oil for a diesel generator.
Explore the INER-G lubricant range and visit our Technical Data Sheets & Product Brochures page for supporting documents.
Download the INER-G Lubric DM300 Technical Data Sheet
Need help selecting a lubricant for a diesel generator or heavy-duty engine? Contact INER-G.



