Diesel oil
Signature Series 15W-40 Max-Duty Diesel Oil
15W-40 Signature Series Max-Duty synthetic diesel oil for compatible diesel engines in demanding service.
Product details Shop at AMSOIL ↗UNITED STATES & CANADA
AMSOIL Signature Series Max-Duty diesel oil
Compare Signature Series Max-Duty diesel oils in 0W-40, 5W-30, 5W-40, 10W-30 and 15W-40 for diesel pickups, fleets and equipment.
Choose by specification.
All five grades list API CK-4 and a range of engine-maker specifications, but the lists differ by viscosity. Use a grade your engine’s temperature chart allows and confirm the OEM specification on the data bulletin.
Diesel oil
Signature Series 5W-40 Max-Duty Diesel Oil
5W-40 Signature Series Max-Duty synthetic diesel oil for compatible diesel engines in demanding service.
Product details Shop at AMSOIL ↗
Diesel oil
Signature Series 0W-40 Max-Duty Diesel Oil
0W-40 Signature Series Max-Duty synthetic diesel oil for compatible diesel engines in demanding service.
Product details Shop at AMSOIL ↗
Diesel oil
Signature Series 5W-30 Max-Duty Diesel Oil
5W-30 Signature Series Max-Duty synthetic diesel oil for compatible diesel engines in demanding service.
Product details Shop at AMSOIL ↗
Diesel oil
Signature Series 10W-30 Max-Duty Diesel Oil
10W-30 Signature Series Max-Duty synthetic diesel oil for compatible diesel engines in demanding service.
Product details Shop at AMSOIL ↗