Engine Lubrication Oil To Grade Sae 20 W4 [Engine Lubrication Oil To Grade Sae 20 W40, As Per Is:P13656/Latest, For The Use Of All Industrial And Road Transport Vehicles. Following Makes/Brands/Models Only: (A) Indian Oil Servo Super Multi Grade Oil 20 W/40 (B) Bharat Pertoleum Mak Multigrade Oil 20 W/40 (C) Hindustan Petroleum Hylube Extra Oil 20 W/40 (D) Veedol Hdc 20 W/40 Note: I) Oil Required To Be Supplied In 210 Litres M.S. Barrel Only. Ii) Manufacture Test Certificate To Be Produced Along Wi