Castrol Optigear Synthetic X 220 vs Mobil SHC 630
Side-by-side price & spec comparison of two equivalent Synthetic Gear Oil products.
| Property | Castrol Optigear Synthetic X 220 | Mobil SHC 630 |
|---|---|---|
| Price | $35–$65/gal | $35–$65/gal |
| Base Oil | PAO | PAO |
| Flash Point | 255°C | 248°C |
| Nlgi | — | N/A |
| Pour Point | -45°C | -40°C |
| Thickener | — | N/A |
| Viscosity 100C | 26.8 cSt | 25.8 cSt |
| Viscosity 40C | 220 cSt | 220 cSt |
| Viscosity Index | 155 | 154 |
← Castrol Optigear Synthetic X 220 Mobil SHC 630 →
Frequently Asked Questions
What is the difference between Castrol Optigear Synthetic X 220 and Mobil SHC 630?
Castrol Optigear Synthetic X 220 and Mobil SHC 630 are both Synthetic Gear Oil products. Key differences include price ($35–$65/gal vs $35–$65/gal) and specific technical specifications. See the comparison table above for detailed spec-by-spec analysis.
Is Castrol Optigear Synthetic X 220 compatible with Mobil SHC 630?
Yes, Castrol Optigear Synthetic X 220 and Mobil SHC 630 are listed as equivalents in the Synthetic Gear Oil category. They share the same ISO VG grade and base oil type. Always verify with OEM documentation before substitution.
Which is better for synthetic gear oil applications?
Both Castrol Optigear Synthetic X 220 and Mobil SHC 630 are suitable for synthetic gear oil applications. Castrol Optigear Synthetic X 220 is priced at $35–$65/gal while Mobil SHC 630 is priced at $35–$65/gal. The best choice depends on your specific operating conditions, OEM warranty requirements, and supply chain availability.