Description
Mobil Delvac MX™ ESP 15W-40 is a premium heavy-duty diesel engine oil designed to deliver exceptional engine protection and extended service life in both on- and off-highway applications. It provides outstanding performance for modern low-emission engines equipped with EGR, DPF, and DOC systems while remaining fully compatible with older diesel engines. Meeting or exceeding API CK-4, CJ-4, CI-4 PLUS, and CH-4 specifications, it is recommended for use in trucking, mining, construction, quarrying, and agricultural equipment, and is also compatible with biodiesel and mixed fleets.
Features & Benefits:
Mobil Delvac MX™ ESP 15W-40 is formulated with advanced detergent technology to deliver reliable protection for both modern and older diesel engines. It helps extend engine life, reduce wear, and maintain performance under severe operating conditions.
- Superior soot control – Maintains engine cleanliness and oil performance.
- Excellent thermal & oxidation stability – Minimizes sludge and high-temperature deposits.
- Low oil consumption – Reduces top-up oil requirements and operating costs.
- High TBN retention – Protects against corrosion and supports longer drain intervals.
- Outstanding shear stability – Maintains viscosity for reliable wear protection.
- Excellent low-temperature pumpability – Ensures quick lubrication during cold starts.
- Advanced wear protection – Guards critical engine components against abrasive and corrosive wear.
- Seal & aftertreatment compatibility – Safe for DPF, DOC, seals, and gaskets.
- Mixed fleet performance – Suitable for diesel and gasoline engines meeting required specifications.
Applications:
Recommended for:
- Heavy-duty diesel engines with EGR, DPF, DOC, SCR, and CRT emission systems.
- Modern turbocharged and conventional naturally aspirated diesel engines.
- On-highway trucks and commercial vehicles.
- Construction, mining, quarrying, and agricultural equipment.
- High-load and severe-duty off-highway applications.
- Mixed fleets with diesel and gasoline engines.
- Equipment from leading American, European, and Japanese OEMs.
Properties and Specifications:
| Property | |
| Grade | SAE 15W-40 |
| Density @ 15 C, g/ml, ASTM D1298 | 0.875 |
| Ash, Sulfated, mass%, ASTM D874 | 0.9 |
| Viscosity Index, ASTM D2270 | 130 |
| Flash Point, Cleveland Open Cup, °C, ASTM D92 | 225 |
| Kinematic Viscosity @ 40 C, mm2/s, ASTM D445 | 109 |
| Kinematic Viscosity @ 100 C, mm2/s, ASTM D445 | 14 |
| Total Base Number, mgKOH/g, ASTM D4739 | 9 |
| Pour Point, °C, ASTM D97 | -33 |
Reviews
There are no reviews yet.