Shell Spirax S1 ATF TASA
Type A Suffix A ATF and hydraulic fluid for heavy off-road vehicles
GM Type A Suffix A
| Property | Typical value | Method |
|---|---|---|
| Appearance | Bright & Clear | |
| Colour | Red | |
| Density @15°Cg/cm³ | 0.865 | ASTM D 4052 |
| Kinematic viscosity @100°Cmm²/s (cSt) | 6.3 | ASTM D 445 |
| Kinematic viscosity @40°Cmm²/s (cSt) | 43 | ASTM D 445 |
| Viscosity index | 159 | ASTM D 2270 |
| Pour point°C | -48 | ASTM D 97 |
| Brookfield Viscosity @-40°CmPa.s (cP) | 22500 | ASTM D 2983 |
| Flash point COC°C | 204 | ASTM D 92 |
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PETRONAS Tutela ATF TASA is an automatic transmission fluid delivering component durability for commercial vehicles and heavy-duty vehicles. It is suitable for use in automatic transmissions, power steering and hydraulic systems of commercial vehicles and off-highway construction equipment requiring GM Type A Suffix A level of performance. The fluid protects the transmission, power-steering system and hydraulic system through anti-wear performance that extends component life, friction stability under both normal and severe operating conditions, and good thermal and oxidation stability. Tutela ATF TASA meets GM Type A Suffix A. Typical properties include a density of 0.865 g/cm³ at 15°C, a kinematic viscosity of 6.3 cSt at 100°C and 43 cSt at 40°C, a viscosity index of 159, a Brookfield viscosity of 22,500 cP at -40°C, a pour point of -48°C and a flash point of 204°C.
GM Type A Suffix A — automatic transmission fluid
GM's 1957 automatic transmission fluid specification, the historical predecessor of DEXRON; long obsolete.Source