AMSOIL Signature Series Max-Duty Diesel Oil 5W-40

Developed to protect the horsepower diesel enthusiasts crave and extend the life of hard-working commercial equipment in the most severe conditions. Signature Series synthetic technology delivers max-duty protection in on- and off-road applications.

• Outstanding extreme-pressure protection
• Delivers 6X more wear protection
• Maintains proper viscosity (thickness)
• Minimizes oil consumption
• Maximizes fuel efficiency
• Excels in extreme temperatures
• Confidently extend drain intervals