DEOGEN Synthetic 5W-30 CK-4 is an advanced synthetic heavy duty diesel engine oil that is specifically engineered to deliver longer useful oil life. It is suitable for use in high speed 4-stroke diesel engines and is compatible with diesel engines fitted with EGR and the latest exhaust after treatment systems such as; DPF, DOC and/or SCR. Formulated with the latest additive and synthetic base oil technology, DEOGEN Synthetic 5W30 exceeds the higher performance demands of modern engines. It is compatible with all exhaust treatment devices and have fuel economy performance.

GP DEOGEN STANDARD 20W50 CH-4 is a high quality engine oil manufactured from high quality mineral oils and is particularly recommended for haulage, plant contractors and certain mixed fleet operations. The latest technology used in this oil gives excellent results in naturally aspirated and turbocharged diesel engines, and most petrol engines permitting reduced inventory in mixed fleet operations.