Mobilgard 1 SHC
Zinc-free synthetic oil for high-power distillate-fuelled marine diesel engines
SAE 40
Mobilgard 1 HSD is an advanced fully synthetic, high speed marine diesel engine oil that helps extend engine life while providing long drain capability and potential fuel economy for modern and latest diesel engine technology operating in severe applications. It is a CK-4 API oil, developed through cooperative work between ExxonMobil and major equipment builders, that meets or exceeds the latest API and ACEA specifications for diesel engine oils, as well as many engine manufacturer requirements including Cummins and Caterpillar. Mobilgard 1 HSD is recommended for engine generations up to the latest and most sophisticated high performance diesel engines with turbochargers, direct injection and low emission designs featuring all types of exhaust after-treatment, for on-highway engines in high speed/high load and stop-and-go conditions, off-highway engines in severe low speed/heavy load conditions, most diesel equipment from American and European builders, high performance gasoline engines and mixed fleets, and refrigeration units. It delivers unsurpassed oxidation stability, exceptional low-temperature fluidity and pumpability for smooth cold starting, and a sophisticated additive system for excellent wear performance and long engine life. Its low-ash formulation protects exhaust after-treatment devices, including turbochargers and EGR systems, while advanced cleanliness performance prevents deposits. Approvals include Detroit Fluids Specification 93K222/93K218, MTU Oil Category 2.1, Cummins CES 20081/20086, API CK-4, Caterpillar ECF-3, ACEA E7/E11 and JASO DH-2.
Detroit Fluids Specification 93K222
Detroit Diesel's current heavy-duty diesel engine oil specification, matching the API CK-4 level, with increased oxidation stability and aeration requirements.
Detroit Diesel's engine oil specification at the API CJ-4 level, for engines with a particulate filter. Sulphated ash is capped to protect the DPF.
MTU Oil Category 2.1 (low SAPS)
The low-ash form of MTU category 2: a multigrade oil with under 1 % ash, approved only where the fuel carries less than 50 mg/kg sulphur.
The Cummins specification matching the API CK-4 level, for modern heavy-duty diesel engines with exhaust aftertreatment.
Cummins' specification for low-viscosity oils (API FA-4 level) that cut fuel consumption in the heavy-duty diesel engines designed for them.
Diesel engine oil, API CK-4 performance level
API's service category for compression-ignition engines. Current category.Source
Caterpillar's current engine crankcase fluid category, with capped sulphated ash, for CAT engines fitted with a particulate filter.
ACEA E7 oil sequence
ACEA's sequence for heavy-duty diesel engines.Source
JASO DH-2 — diesel engine oil
The Japanese standard for heavy-duty diesel engine oils in DPF-equipped engines, with sulphated ash capped so the filter does not clog.
ACEA E11 — heavy-duty diesel, low SAPS, extended drain
An ACEA sequence for Euro VI and later heavy-duty diesel engines fitted with DPF and SCR. It requires low-SAPS additive chemistry (reduced sulphur, ash and phosphorus) and the oxidation resistance needed for extended drain intervals.
| Property | Typical value | Method |
|---|---|---|
| Hi-Temp Hi-Shear Viscosity @ 150 C 1x10(6) sec(-1)mPa.s | 3.8 | ASTM D4683 |
| Ash, Sulfated, mass% | 1 | ASTM D874 |
| Cold-Cranking Simulator, Apparent Viscosity @ -30 CmPa.s | 6510 | ASTM D5293 |
| Mini-Rotary Viscometer, Apparent Viscosity, -35 CmPa.s | 16800 | ASTM D4684 |
| Total base numbermgKOH/g | 12 | ASTM D2896 |
| Kinematic viscosity @ 40 Cmm2/s | 84 | ASTM D445 |
| Kinematic viscosity @ 100 Cmm2/s | 13.8 | ASTM D445 |
| Specific gravity, 15.6 C/15.6 C | 0.853 | ASTM D4052 |
| Viscosity index | 150 | ASTM D2270 |
| Flash point, Cleveland Open Cup°C | 233 | ASTM D92 |
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