Castrol Optigear EP 320 equivalents
These are other published oils in the same application and the same ISO grade (or within 10 percent on KV40), from a different brand, with a compatible base oil. A score of 60 or more is the bar for this page. The score is typical data-sheet values only. None of these is an exact equivalent, and the machine builder's specification still governs.
| Oil | Score | Why |
|---|---|---|
| Shell Omala S2 GX 320 | 67 | same ISO 320, VI 98 vs 95, conventional, pour -15 vs -9, flash within 15 °C, AGMA AS |
| Shell Omala S2 G 320 | 65 | same ISO 320, VI 100 vs 95, conventional, pour -15 vs -9, flash within 15 °C, AGMA AS |
| Mobil 600 XP 320 | 63 | same ISO 320, VI 97 vs 95, conventional, flash within 15 °C, AGMA AS, 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.