Shell Tonna S2 MX 68
ISO VG 68 anti-wear, r&o ways oil
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Key specs
| Spec | Value | Method |
|---|---|---|
| KV40 | 68 cSt | ASTM D445 |
| KV100 | 8.9 cSt | ASTM D445 |
| Viscosity index | 105 | ASTM D2270 |
| Pour point | -24 °C | ASTM D97 |
| Flash point | 225 °C | ASTM D92 |
| Density at 15 °C | 0.88 g/cm³ | typical |
Grade checks
- KV40 is inside ISO VG 68 (61.2–74.8 cSt).
- Computed viscosity index is 104, 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: Ways
- Attribute: Anti-Wear, R&O
- Synthetic: Conventional
- Copper: Unlisted
- Note: Machine slideways
Equivalents
| Oil | Score | Why |
|---|---|---|
| Chevron Way Lubricant 68 | 79 | same ISO 68, VI 104 vs 105, additive aw/ro, conventional, pour -18 vs -24 |
| Mobil Vacuoline 1409 | 59 | same ISO 68, VI 96 vs 105, additive ro, conventional, flash within 15 °C, buyable now |
| Chevron Way Oil Vistac 68 | 50 | same ISO 68, VI 61 vs 105, additive aw/ro, conventional, pour -24 vs -24 |
| Mobil Vactra Oil No 2 | 30 | same ISO 68, conventional, pour -18 vs -24, buyable now |
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: Shell, Tonna S2 MX, viscosity index calculator, ISO / SAE / AGMA chart.
Questions
Is Shell Tonna S2 MX 68 an ISO VG 68 oil?
Yes. The catalogue lists it as ISO VG 68, which is a kinematic viscosity of 68 cSt at 40 °C, plus or minus 10 percent (61.2 to 74.8 cSt). Confirm the current data sheet before you fill a machine.
What is a Shell Tonna S2 MX 68 equivalent?
Published oils in the same application and grade include Chevron Way Lubricant 68. 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 Shell Tonna S2 MX 68 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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