Shell Tellus S3 M 68 is a premium zinc-free ISO VG 68 hydraulic fluid formulated to deliver long life, excellent wear protection, and sustained efficiency in industrial, marine, and mobile hydraulic systems.
Zinc-free hydraulic fluid for industrial and heavy-duty mobile applications
Extended fluid life with ≥5000 hours in ASTM D943 TOST oxidation test
Zinc-free anti-wear additives ensure component protection in low to severe duty cycles
Maintains performance and filterability even when water-contaminated
Delivered with ISO 4406 cleanliness of 21/19/16 or better
Excellent water separation, air release, and anti-foam performance
Compatible with most hydraulic pumps, seals, and mineral oil systems
Environmentally safer profile with low sulfur base oils and low aquatic toxicity
Formerly known as Shell Tellus S3 M
Global Product Code: 001D7760
Shell Tellus S3 M 68 is a high-performance ISO VG 68 zinc-free hydraulic fluid designed for extended fluid life and protection in manufacturing, marine, and mobile hydraulic systems. Its advanced formulation supports system cleanliness and reliability under severe operating conditions. Formerly known as Shell Tellus S3 M.
| Property | Typical Value | Method |
|---|---|---|
| ISO Viscosity Grade | 68 | ISO 3448 |
| ISO Fluid Type | HM | ISO 6743-4 |
| Kinematic Viscosity @ 0°C | 990 cSt | ASTM D445 |
| Kinematic Viscosity @ 40°C | 68 cSt | ASTM D445 |
| Kinematic Viscosity @ 100°C | 8.9 cSt | ASTM D445 |
| Viscosity Index | 105 | ISO 2909 |
| Density @ 15°C | 870 kg/m³ | ISO 12185 |
| Flash Point (COC) | 235°C | ASTM D92 |
| Pour Point | -33°C | ISO 3016 |