Mobil Vactra Oil No 4
ISO VG 220 ways oil
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|---|---|---|---|
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Key specs
| Spec | Value | Method |
|---|---|---|
| KV40 | 221 cSt | ASTM D445 |
| KV100 | — | ASTM D445 |
| Viscosity index | — | ASTM D2270 |
| Pour point | -3 °C | ASTM D97 |
| Flash point | — | ASTM D92 |
| Density at 15 °C | — | typical |
Grade checks
- KV40 is inside ISO VG 220 (198–242 cSt).
Viscosity and temperature
KV40 and KV100 are both needed before ASTM D341 can draw a curve.
Classification
- Category: Ways
- Synthetic: Conventional
- Copper: 1B
- Note: Slide ways, good when oil contamination shortens coolant batch life
Equivalents
| Oil | Score | Why |
|---|---|---|
| Chevron Way Lubricant 220 | 20 | same ISO 220, conventional, buyable now |
| Shell Tonna S2 M 220 | 15 | same ISO 220, conventional |
| Shell Tonna S2 MX 220 | 15 | same ISO 220, conventional |
| Chevron Way Oil Vistac 220 | 15 | same ISO 220, conventional |
| Shell Tonna S3 M 220 | 0 | same ISO 220 |
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, Vactra Numbered, viscosity index calculator, ISO / SAE / AGMA chart.
Questions
Is Mobil Vactra Oil No 4 an ISO VG 220 oil?
Yes. The catalogue lists it as ISO VG 220, which is a kinematic viscosity of 220 cSt at 40 °C, plus or minus 10 percent (198 to 242 cSt). Confirm the current data sheet before you fill a machine.
What is a Mobil Vactra Oil No 4 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 Vactra Oil No 4 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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