Chevron GST Premium 32
ISO VG 32 anti-wear, r&o turbine oil
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Key specs
| Spec | Value | Method |
|---|---|---|
| KV40 | 31.5 cSt | ASTM D445 |
| KV100 | 5.4 cSt | ASTM D445 |
| Viscosity index | 105 | ASTM D2270 |
| Pour point | -14 °C | ASTM D97 |
| Flash point | 224 °C | ASTM D92 |
| Density at 15 °C | 0.863 g/cm³ | typical |
Grade checks
- KV40 is inside ISO VG 32 (28.8–35.2 cSt).
- Computed viscosity index is 105, within 2 points of the listed 105.
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
Equivalents
| Oil | Score | Why |
|---|---|---|
| Shell Turbo IG 32 | 60 | same ISO 32, VI 105 vs 105, conventional, pour -12 vs -14, flash within 15 °C |
| Shell Turbo Oil T 32 | 55 | same ISO 32, additive aw/ro, conventional, pour -12 vs -14, flash within 15 °C |
| Shell Turbo Oil GT 32 | 53 | same ISO 32, VI 125 vs 105, additive ro, conventional, pour -15 vs -14, flash within 15 °C |
| Shell Turbo Oil CC 32 | 43 | same ISO 32, additive ro, conventional, pour -12 vs -14, flash within 15 °C |
| Shell Turbo S4 GX 32 | 33 | same ISO 32, VI 139 vs 105, additive aw, conventional, flash within 15 °C |
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
- No product data sheet link.
- Safety data sheet
Related: Chevron, GST Premium, viscosity index calculator, ISO / SAE / AGMA chart.
Questions
Is Chevron GST Premium 32 an ISO VG 32 oil?
Yes. The catalogue lists it as ISO VG 32, which is a kinematic viscosity of 32 cSt at 40 °C, plus or minus 10 percent (28.8 to 35.2 cSt). Confirm the current data sheet before you fill a machine.
What is a Chevron GST Premium 32 equivalent?
Published oils in the same application and grade include Shell Turbo IG 32. 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 32 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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