Castrol GTX Diesel is a multi-purpose heavy-duty diesel engine oil formulated to enhance healthy engine life. This engine oil is versatile and can be used for multiple applications and duty cycles.
Castrol GTX Diesel is engineered to provide superior protection and match or exceed the strict requirements of PC-11 engine oil technology. This oil can be used in diesel engines where API CK-4 and CJ-4 are required. This engine oil can be used for a wide range of heavy-duty, commercial vehicles and pickup trucks making it ideal for use in mixed fleets. Its professional formulation helps to keep the engine cleaner, offering more reliable engine protection and thus prolonging engine life. Grade 15W-40 oil means that it flows as easily as a 15 Weight oil in winter temperatures but is as thick and viscous as a 40 Weight oil once normal engine temperature has been reached.