«Low SAPS» (low ash) lubricant for diesel engines of heavy vehicles: specifically designed for the latest generation of trucks, buses, construction machinery, agricultural machinery, stationary engines and boat engines that run on low sulfur fuel (= 50 ppm). Low emission direct injection turbo diesel engines complying with Euro II, Euro III, Euro IV, Euro V or Euro VI emission regulations, with EGR (Exhaust Gas Recirculation) and / or SCR (Selective Catalyst Reduction) system ) with / without DPF (Diesel Particulate Filter) in very adverse operating, loading and maintenance conditions, which require a motor oil according to ACEA E9 and «Low SAPS» with a low content of sulphated ash (= 1.0% ), phosphorus (= 0.12%) and sulfur (= 0.4%).