5W40 DIESEL HEAVY DUTY - ADO55
Developed to provide protection beyond conventional, synthetic-blend and other synthetic oils. AMSOIL synthetic technology delivers heavy-duty protection for diesel enthusiasts and those who depend on their trucks and equipment to make a living.
HEAVY-DUTY ENGINE PROTECTION
- Delivers 4X more wear protection1
- Helps maximize equipment life
- Helps reduce maintenance costs and downtime
Delivers More Wear Protection
Third-party testing shows Heavy-Duty Synthetic Diesel Oil delivers 4X more protection against wear than required by Detroit Diesel’s* standard.
VISCOSITY CONTROL
- Resists oxidation and the thickening effects of soot contamination
- Retains viscosity after high-temperature service for added engine protection and increased fuel economy
- Provides up to 66 percent less oil consumption
Reduces Oil Consumption
Heavy-Duty Synthetic Diesel Oil provides up to 66% less oil consumption.
EXCELS IN EXTREME TEMPERATURES
- Provides outstanding protection and performance in hot and cold temperature extremes
- Delivers improved heat and oxidation resistance compared to conventional diesel oils
- Flows dependably in cold temperatures for easier startup and improved engine protection
