For those hardworking engines, the Caltex range of premium Delo® diesel oils have the smoothness and the smarts to tackle every moving part.

Delo® 400 MGX

SAE 15W-40

Delo® 400 MGX is a premium performance, multi-grade, heavy-duty diesel engine oil specifically designed to lubricate a wide range of diesel engines requiring API CJ-4, CI-4 PLUS, CI-4/SM, ACEA E9, E7 or JASO DH-2 performance lubricants operating under the most severe service conditions.

Delo® 400 MGX is formulated with ISOSYN® Technology to provide exceptional soot dispersal, deposit control and wear protection. Its low-ash formulation ensures its suitability in the latest model low emission diesel engines with selective catalytic reduction (SCR), exhaust gas recirculation (EGR) and/or diesel particulate filters (DPF). It is also fully backwards compatible for use in earlier model engines.

Delo® 400 XLE HD

SAE 10W-40

Delo® 400 XLE HD is a premium performance, multi-grade, heavy-duty diesel engine oil specifically designed to lubricate a wide range of diesel engines requiring API CJ-4, CI-4 PLUS, CI-4/SM, ACEA E9, E7 or JASO DH-2 performance lubricants operating under the most severe service conditions.

Delo® 400 XLE HD is formulated with ISOSYN® Technology to provide exceptional soot dispersal, deposit control and wear protection. Its low-ash formulation ensures its suitability in the latest model low emission diesel engines with selective catalytic reduction (SCR), exhaust gas recirculation (EGR) and/or diesel particulate filters (DPF). It is also fully backwards compatible for use in earlier model engines.

Delo® Gold Ultra

SAE 15W-40

Delo® Gold Ultra is a high performance, multi-grade, heavy-duty diesel engine oil specifically designed to lubricate a wide range of diesel engines requiring API CI-4 or ACEA E7 performance lubricants including those fitted with selective catalytic reduction (SCR) and/or exhaust gas recirculation (EGR) emission control technologies.

Delo® Gold Ultra is formulated with ISOSYN® Technology to provide exceptional soot dispersal, deposit control and wear protection Its recommended for use in mixed fleets of both diesel and petrol engines in commercial road transport, off-highway vehicles and plant, agricultural tractors and farm machinery, generator sets and high-speed diesel engines in marine service.

Delo® Gold Ultra S

SAE 10W-40

Delo® Gold Ultra S is a premium performance, multi-grade, heavy-duty diesel engine oil specifically designed to lubricate a wide range of diesel engines requiring API CJ-4, CI-4 PLUS, CI-4/SM, ACEA E9, E7 or JASO DH-2 performance lubricants operating under the most severe service conditions.

Delo® Gold Ultra S is formulated with ISOSYN® Technology to provide exceptional soot dispersal, deposit control and wear protection and its low-ash formulation ensures its suitability in the latest model low emission diesel engines with selective catalytic reduction (SCR), exhaust gas recirculation (EGR) and/or diesel particulate filters (DPF). It is also fully backwards compatible for use in earlier model engines.