Mobil Delvac XHP 15W-40
Heavy-duty diesel engine oil for severe on- and off-highway service, API CH-4
SAE 15W-40
Mobil Delvac™ Super 1400E 15W-40 is a high performance diesel engine oil that provides protection for diesel engines operating under severe service conditions, for both on- and off-highway applications. ExxonMobil recommends it for a wide range of heavy-duty applications and operating environments in trucking, mining, construction, quarrying and agricultural industries, covering naturally aspirated and turbo-charged diesel equipment from European, Japanese and American manufacturers. Its thermal and oxidation stability helps control sludge build-up and deposits, and its TBN reserve helps control deposits over the oil's service life. Stay-in-grade shear stability helps reduce oil consumption and provide wear protection, while excellent detergency/dispersancy helps protect and keep engines clean; component compatibility supports long gasket and seal life. SAE 15W-40, Mobil Delvac Super 1400E 15W-40 carries MTU Oil Category 1 builder approval and is recommended by ExxonMobil for applications requiring RENAULT TRUCKS RD and RD-2 and VOLVO VDS-2.
MTU's first oil quality category: standard-quality monograde and multigrade oils for older MTU engines.
Renault Trucks RD-2 — engine oil (obsolete)
Renault Trucks' old engine oil specification, predating the RLD series. It appears only on datasheets for older fleets.
Volvo VDS-2 — Volvo diesel engine oil
The second generation of the Volvo Drain Specification, for heavy-duty diesel engines without aftertreatment. Withdrawn, but still quoted for older fleets.
| Property | Typical value | Method |
|---|---|---|
| Ash, Sulfated, mass% | 1.1 | ASTM D874 |
| Flash point°C | 230 | ASTM D92 |
| Kinematic viscosity @ 100 Cmm2/s | 14.5 | ASTM D445 |
| Kinematic viscosity @ 40 Cmm2/s | 106 | ASTM D445 |
| Pour point°C | -27 | ASTM D97 |
| Total base numbermgKOH/g | 9.7 | ASTM D2896 |
| Viscosity index | 140 | ASTM D2270 |
| Specific gravity, 15 C/15 C | 0.881 | ASTM D4052 |
| Cold-Cranking Simulator, Apparent Viscosity @ -20 CmPa.s | 6150 | ASTM D5293 |
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