Castrol Tribol HM 46
ISO VG 46 anti-wear hydraulic oil
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Key specs
| Spec | Value | Method |
|---|---|---|
| KV40 | 46 cSt | ASTM D445 |
| KV100 | 7.3 cSt | ASTM D445 |
| Viscosity index | 230 | ASTM D2270 |
| Pour point | -33 °C | 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 121 from the stored KV40 and KV100 (ASTM D2270). The listed index is 230, 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: Hydraulic
- Attribute: Anti-wear
- Synthetic: Conventional
- Copper: Unlisted
- Note: Circulating Oil
Equivalents
| Oil | Score | Why |
|---|---|---|
| Chevron Clarity AW 46 | 55 | same ISO 46, VI 101 vs 230, additive aw, conventional, pour -36 vs -33, buyable now |
| Mobil DTE 25 | 55 | same ISO 46, VI 98 vs 230, additive aw, conventional, pour -27 vs -33, buyable now |
| Chevron Rando HD 46 | 55 | same ISO 46, VI 107 vs 230, additive aw, conventional, pour -36 vs -33, buyable now |
| Shell Tellus S2 M 46 | 50 | same ISO 46, VI 98 vs 230, additive aw, conventional, pour -30 vs -33 |
| Shell Tellus S2 MX 46 | 50 | same ISO 46, VI 105 vs 230, additive aw, conventional, pour -30 vs -33 |
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: Castrol, Tribol H 943M, viscosity index calculator, ISO / SAE / AGMA chart.
Questions
Is Castrol Tribol HM 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 Castrol Tribol HM 46 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 Castrol Tribol HM 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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