PETRONAS Arbor Universal 15W-40 is a premium universal lubricant (S.T.O.U.) dedicated to agricultural and construction machinery, able to keep their efficiency and offering a longer. Perfect solution for high and long-lasting performances for your hard-daily work, protecting your tireless machinery from loss of performances and unplanned downtimes. PETRONAS Arbor Universal 15W-40 is suitable for engines, transmissions, hydraulic systems and wet brakes of farm tractors and machineries.