Mobil Delvac 1 ESP 5W-40 is a fully Synthetic, heavy-duty diesel engine oil that helps extend engine life while providing long drain capability and potential fuel economy for modern diesel engines operating in severe applications.
The oil utilizes state-of-the-art technology to deliver exceptional performance in modern low emission engines, including those with Exhaust Gas Recirculation (EGR) and aftertreatment systems with Diesel Particulate Filters (DPFs) and Diesel Oxidation Catalysts (DOCs), as well as refrigerated units and older, well-maintained engines.
The performance of Mobil Delvac 1 ESP 5W-40 is the result of extensive cooperative development work with major equipment builders and application of the latest lubrication technology. As a result, this product meets or exceeds the requirements of the latest API, ACEA, and global industry specifications for diesel engine oils, as well as the requirements of virtually all major American and European engine manufacturers.
Mobil Delvac 1 ESP 5W-40 is recommended for use in all super high performance diesel applications, including modern low emission engine designs with EGR and aftertreatment systems with DPFs and DOCs. These applications include the following:
- On-highway engines operating in both high speed/high load and stop-and-go conditions.
- Off-highway engines operating in severe low speed/heavy load conditions.
- Virtually all diesel powered equipment from American and European manufacturers.
- High performance gasoline engines and mixed fleets.
- Refrigeration units.