Delo 400 SDE SAE 15W-40 with ISOSYN Advanced Technology is a heavy-duty engine oil recommended for naturally aspirated and turbocharged four-stroke diesel engines and four-stroke gasoline engines in which the API CK-4 or SN service category and SAE 15W-40 viscosity grade is recommended.

Delo 400 SDE 15W-40 is also backward compatible with diesel engines in which the API CJ-4, CI-4, CI-4 Plus, and CH-4 service categories are recommended. Delo 400 SDE SAE 15W-40 with ISOSYN Advanced Technology is an API CK-4 heavy-duty engine oil specifically formulated for 2017 greenhouse gas (GHG 17) compliant diesel engines designed to meet lower CO2 emissions and improved fuel economy, in addition to EPA 2010 compliant low emission diesel engines with Selective Catalytic Reduction (SCR), Diesel Particulate Filter (DPF) and Exhaust Gas Recirculation (EGR) systems. It is fully compatible with previous engine models and previous API Oil Service Categories.

• Premium quality, heavy-duty motor oil manufactured in the USA
• Formulated to meet the requirements of post-2007 low emission engines
• Provides outstanding performance with ultra-low sulfur diesel and also with normal and low sulfur diesel fuels
• It may be used in older, conventional engines and gasoline engines
• Formulated with ISOSYN technology
• Reduced operating costs
• Enhanced emission control system life
• Mixed fleet 4-stroke engine oil engineered for better oxidation, wear protection, and piston deposit control
• 4-cycle engine oil is recommended for naturally aspirated and turbocharged 4-stroke diesel engines and 4-stroke gasoline engines in which the API Ck-4 or Sn service category and SAE 15W-40 viscosity grade is recommended.
• 15W-40 diesel engine oil is also backward compatible with diesel engines in which the API Cj-4, Ci-4, Ci-4 Plus, and Ch-4 service categories are recommended
• Minimized operating costs
• Excellent emission control system life
• Up to 68 percent improved wear protection
• Includes three 1 gallon jugs
• Dimensions: 7-13/16 in. L x 6 ft. W x 12-1/8 in. H