Lubricant Viscosities
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| Lubricant Viscosities for Ambient Temperatures (1) | |||||
| Compartment or System | Oil Viscosities | °C | °F | ||
| Min | Max | Min | Max | ||
| Engine Crankcase DEO |
SAE 0W20 | -40 | +10 | -40 | +50 |
| SAE 5W30 | -30 | +30 | -22 | +86 | |
| SAE 5W40 | -30 | +40 | -22 | +104 | |
| SAE 10W30 | -20 | +40 | -4 | +104 | |
| SAE 15W40 | -20 | +50 | +5 | +122 | |
| Rotor & Propel Transmissions TDTO |
SAE 10W | -20 | +50 | -4 | +122 |
| Rotor Chain Drive Case and Rotor Bearing Reservoir DEO |
SAE 30 | 0 | +35 | +32 | +122 |
| Hydraulic System HYDO |
SAE 0W30 | -40 | +40 | -40 | +104 |
| SAE 0W20 | -40 | +40 | -40 | +104 | |
| SAE 5W20 | -30 | +40 | -22 | +104 | |
| SAE 5W20 | -25 | +10 | -13 | +50 | |
| SAE 10W | -20 | +40 | -4 | +104 | |
| SAE 10W30 | -20 | +40 | -4 | +104 | |
| SAE 15W40 | -15 | +50 | +5 | +122 | |
| SAE 30 | +10 | +50 | +50 | +122 | |
| Rotor Drive Planetary & Propel Axles Differential and Planetaries (2) Caterpillar GO (Gear Oil) API GL-5 gear oil |
SAE 80W90 | -20 | +40 | -4 | +104 |
| SAE 85W140 | -10 | +50 | +14 | +122 | |
| SAE 90 | 0 | +40 | +32 | +104 | |
| Rotor Drive Differential (2) Caterpillar GO (Gear Oil) API GL-5 gear oil |
SAE 80W90 | -20 | +40 | -4 | +104 |
| SAE 85W140 | -10 | +50 | +14 | +122 | |
| SAE 90 | 0 | +40 | +32 | +104 | |
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| ( 1 ) | When you operate below -20 °C (-4 °F), refer to the Operation and Maintenance Manual, SEBU5898, "Cold Weather Recommendations" that is available from your Caterpillar dealer . |
| ( 2 ) | Synthetic gear oil that meets the API GL-5 specification is recommended. Contact your local Capterpillar Dealer for information on synthetic oils. |
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