- Axles & differentials
SAE 80W-90
Multigrade API GL-5 gear oil for Cat manual transmissions, differentials and final drives
ViscositySAE
Business customers only. We sell wholesale, invoiced to registered companies.
Gear oil, API GL-5 service level
API's service designation for axle and manual transmission oils.
| Property | Typical value |
|---|---|
| Gravity, API (ASTM D287) | 26.6 |
| cP @ –26° C (ASTM D2983) | 107,000 |
| cSt @ 40° C (ASTM D445) | 130 |
| cSt @ 100° C (ASTM D445) | 14.5 |
| Viscosity index (ASTM D2270) | 110 |
| Phosphorus, % wt. (ASTM D1091) | 0.88 |

Cat GO (Gear Oil) SAE 80W-90 is a gear oil for Cat manual transmissions, differentials and final drives. It is a multi-grade API GL-5 classification gear oil intended for extreme-pressure applications, including differentials and final drives on Cat Wheel Tractor-Scrapers, specific Articulated Trucks, Wheel Excavators and Backhoe Loaders, Cold Planer direct-drive transmissions, differentials and final drives, and drum bearings on Vibratory Soil Compactors. Tested and approved by Caterpillar to meet the same standards as Genuine Cat Parts, Cat GO offers superior thermal stability and oxidation resistance for longer gear and bearing life, extreme-pressure performance for improved performance and life under extreme loads, multi-purpose capability that simplifies maintenance by reducing the number of gear lubricants needed, and a wide temperature range with excellent high-temperature stability and superior low-temperature performance for easier start-ups. Typical 80W-90 characteristics: API gravity 26.6, flash point 174°C (345°F), pour point -27°C (-17°F), Brookfield viscosity 107,000 cP at -26°C, kinematic viscosity 130 cSt at 40°C and 14.5 cSt at 100°C, viscosity index 110, phosphorus 0.88% wt. and density 0.897 @ 16°C.
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