Chevron GST Premium XL 46
ISO VG 46 anti-wear, r&o turbine oil
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Key specs
| Spec | Value | Method |
|---|---|---|
| KV40 | 42.4 cSt | ASTM D445 |
| KV100 | 6.6 cSt | ASTM D445 |
| Viscosity index | 103 | ASTM D2270 |
| Pour point | -13 °C | ASTM D97 |
| Flash point | 236 °C | ASTM D92 |
| Density at 15 °C | 0.86 g/cm³ | typical |
Grade checks
- KV40 is inside ISO VG 46 (41.4–50.6 cSt).
- Computed viscosity index is 107 from the stored KV40 and KV100 (ASTM D2270). The listed index is 103, 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
- Attribute: Anti-Wear, R&O
- Synthetic: Conventional
- Copper: Unlisted
- Note: Non-geared turbines, extra stability
Equivalents
| Oil | Score | Why |
|---|---|---|
| Shell Turbo Oil CC 46 | 71 | same ISO 46, VI 105 vs 103, additive ro, conventional, pour -12 vs -13, flash within 15 °C |
| Shell Turbo Oil T 46 | 50 | same ISO 46, additive aw/ro, conventional, pour -12 vs -13 |
| Mobil DTE 846 | 47 | same ISO 46, VI 106 vs 103, conventional, flash within 15 °C |
| Shell Turbo S4 GX 46 | 33 | same ISO 46, VI 139 vs 103, additive aw, conventional, flash within 15 °C |
| Mobil DTE 746 | 20 | same ISO 46, VI 113 vs 103 |
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: Chevron, GST Premium XL, viscosity index calculator, ISO / SAE / AGMA chart.
Questions
Is Chevron GST Premium XL 46 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 Chevron GST Premium XL 46 equivalent?
Published oils in the same application and grade include Shell Turbo Oil CC 46. The match is from typical data-sheet values, not from an OEM approval. It is not an exact equivalent. Confirm the substitute with the machine builder.
Can Chevron GST Premium XL 46 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.
Report a data error
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