AMSOIL SAE 15W-40 Heavy-Duty Diesel and Marine Oil
Premium diesel oil providing excellent performance in diesel engines
where highly effective control of wear and deposits is vital. Built with
heavy-duty dispersant/detergent additives with 12 TBN, Synthetic
Heavy-Duty Diesel & Marine Oil neutralizes acids and controls soot
thickening from EGR and blow-by to protect against corrosion, cylinder
bore polishing (wear) and varnish/sludge deposits. It resists heat and
breakdown and is formulated for extended drain intervals.
- Recommended for applications specifying API CI-4+ and prior specifications
- Controls soot and wear
- Reduces oil consumption and emissions
- Delivers maximum engine protection over extended drain intervals
- Provides outstanding protection and performance in temperature extremes
- Try Signature Series Max-Duty 15W-40 for a serious upgrade