Shell Catenex T 121
Hydraulic oil
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Key specs
| Spec | Value | Method |
|---|---|---|
| KV40 | 21 cSt | ASTM D445 |
| KV100 | 4.3 cSt | ASTM D445 |
| Viscosity index | 116 | ASTM D2270 |
| Pour point | -18 °C | ASTM D97 |
| Flash point | 220 °C | ASTM D92 |
| Density at 15 °C | 0.844 g/cm³ | typical |
Grade checks
- No ISO grade is stored.
- Computed viscosity index is 111 from the stored KV40 and KV100 (ASTM D2270). The listed index is 116, 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
- Synthetic: Conventional
- Copper: Unlisted
- Note: Hydrotreated paraffin, sulfur-free
Equivalents
| Oil | Score | Why |
|---|---|---|
| Castrol Hyspin AWS 22 | 29 | KV40 within 10%, VI 95 vs 116, conventional, flash within 15 °C |
| Mobil DTE 22 | 27 | KV40 within 10%, VI 98 vs 116, conventional |
| Chevron Rando HD 22 | 27 | KV40 within 10%, VI 98 vs 116, conventional |
| Mobil Excel 22 | 25 | KV40 within 10%, VI 164 vs 116, conventional, flash within 15 °C, buyable now |
| Chevron Rando HDZ 22 | 20 | KV40 within 10%, VI 152 vs 116, conventional, 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, Catenex T, viscosity index calculator, ISO / SAE / AGMA chart.
Questions
What is a Shell Catenex T 121 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 Shell Catenex T 121 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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