Shell Tellus (Tellus) S - applies to heavy workload hydraulic system, the viscosity level have ISO 32, 46, 68,100. Shell Tellus S brand hydraulic oil is a top-level ash-free anti-wear hydraulic oil for hydraulic oil industry the ultimate standard of reference. Advanced non-zinc, chlorine-free formulation technology to give Shell Tellus S very good performance, harsh working conditions in hydraulic power transmission system in an extraordinary performance.