Tutela Transmission B-5X
Fully synthetic EP 75W-90 oil for PTUs and non-limited-slip rear axles of 4WD cars
API GL-5
PETRONAS Tutela AS8 is a fully synthetic Automatic Transmission Fluid (ATF) that delivers long-lasting shifting performance and component durability over the entire service life of the transmission. It is approved and recommended by Stellantis (former Fiat/FCA) for 8- and 9-speed step-type ZF automatic transmissions fitted to passenger cars. The friction behaviour of the fluid has been optimally adapted to these transmissions, providing perfect shifting characteristics and vibration-free operation, while its optimised viscosity helps reduce fuel consumption. With a kinematic viscosity of 5.6 mm²/s at 100°C, a Brookfield viscosity of 8850 mPa.s at -40°C and a pour point of -42°C, it stays fluid in cold conditions and protects across a wide temperature range. Approvals: FIAT 9.55550-AV5 Contractual Technical Reference N°F139.I11, MS-90030-A5 and ZF TE-ML 11. Always consult the owner’s manual to check the recommended specification for your specific vehicle.
| Property | Typical value | Method |
|---|---|---|
| Appearance | Bright & Clear | |
| Colour | Green | |
| Density @15°Cg/cm³ | 0.845 | ASTM D 4052 |
| Kinematic viscosity @100°Cmm²/s (cSt) | 5.6 | ASTM D 445 |
| Kinematic viscosity @40°Cmm²/s (cSt) | 26 | ASTM D 445 |
| Brookfield Viscosity @-40°CmPa.s (cP) | 8850 | ASTM D 2983 |
| Pour point°C | -42 | ASTM D 97 |
| Flash point COC°C | 206 | ASTM D 92 |
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