Gulf Oil India Ltd supplies Rust Resisting Heavy-Duty Diesel Engine Oil. Gulf Oil India Ltd offers wide ranges of lubricant oil and engine oil for two and four wheelers. Rust Resisting Heavy-Duty Diesel Engine Oil is ideal for petrol and diesel vehicles for which API CF/SF, SAE 20W-40 oils are recommended light and heavy duty trucks. This Heavy-Duty Diesel Engine Oil is available with effective Anti-wear characteristics protect engine components.