Mobil DTE 746
ISO VG 46 turbine oil
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Key specs
| Spec | Value | Method |
|---|---|---|
| KV40 | 44 cSt | ASTM D445 |
| KV100 | 6.8 cSt | ASTM D445 |
| Viscosity index | 113 | ASTM D2270 |
| Pour point | — | ASTM D97 |
| Flash point | — | ASTM D92 |
| Density at 15 °C | — | typical |
Grade checks
- KV40 is inside ISO VG 46 (41.4–50.6 cSt).
- Computed viscosity index is 109 from the stored KV40 and KV100 (ASTM D2270). The listed index is 113, more than 2 points away.
Viscosity and temperature
ASTM D341 (Walther) fitted to the published KV40 and KV100. It is an interpolation between those two points, and it is not meaningful below the pour point. Move the control to read a temperature.
Classification
- Category: Turbine
- Synthetic: Unlisted
- Copper: Unlisted
- Note: Gas, steam turbine
Equivalents
| Oil | Score | Why |
|---|---|---|
| Shell Turbo Oil CC 46 | 22 | same ISO 46, VI 105 vs 113 |
| Chevron GST Premium XL 46 | 20 | same ISO 46, VI 103 vs 113 |
| Chevron Regal R&O 46 | 20 | same ISO 46, VI 98 vs 113, buyable now |
| Chevron GST 2300 46 | 18 | same ISO 46, VI 101 vs 113 |
| Chevron GST 46 | 18 | same ISO 46, VI 101 vs 113 |
Scores use published typical data. This is not an exact equivalent, and it is not an OEM approval. Confirm the substitute with the machine builder.
Documents
Related: Mobil, DTE 700 Series, viscosity index calculator, ISO / SAE / AGMA chart.
Questions
Is Mobil DTE 746 an ISO VG 46 oil?
Yes. The catalogue lists it as ISO VG 46, which is a kinematic viscosity of 46 cSt at 40 °C, plus or minus 10 percent (41.4 to 50.6 cSt). Confirm the current data sheet before you fill a machine.
What is a Mobil DTE 746 equivalent?
No other brand in this catalogue clears the equivalents bar for this oil yet (same application, same grade, compatible base oil, and a score of 60 or more). That is not proof that nothing else works. Check the machine manual.
Can Mobil DTE 746 be mixed with another oil?
Mixing two oils that share a base family is sometimes done and sometimes a mistake. Do not mix this oil with a PAG. For any other mix, follow the maker's change-over guidance and the machine manual.
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