- Delivers 2X more wear protection1
- Contains greater than 50% synthetic base oil
- Provides excellent protection for an outstanding value
- Offers an upgrade over conventional diesel oil
1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222
AMSOIL 10W-30 Commercial-Grade Diesel Oil
AMSOIL 15W-40 Commercial-Grade Diesel Oil
- Greater than 50% synthetic content delivers upgraded protection
- Delivers 2X more wear protection1
- Helps keep trucks and equipment operating at peak performance
- Excels in temperature extremes
- Provides outstanding value and excellent protection for customers seeking an upgrade over other synthetic-blend and conventional diesel oils
1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222
Product Overview
- 10W-30 Commercial-Grade Diesel Oil
- Advanced synthetic-blend diesel oil with greater than 50% synthetic content. Meets or exceeds original equipment manufacturer requirements in both on- and off-road applications.
HEAVY-DUTY ENGINE PROTECTION
- Delivers 2X more wear protection1
- Helps maximize equipment life
- Helps reduce maintenance costs and downtime
1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222
Delivers More Wear Protection
Third-party testing shows Commercial-Grade Diesel Oil delivers 2X more protection against wear than required by Detroit Diesel’s* standard.I
IBased on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222. *All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
VISCOSITY CONTROL
- Formulated with greater than 50% synthetic content to minimize viscosity change
- Keeps soot particles suspended independently, helping prevent formation of larger, wear-causing particles
- Minimizes oil consumption
EXCELS IN EXTREME TEMPERATURES
- Formulated to deliver improved heat and oxidation resistance compared to other synthetic-blend and conventional diesel oils
- Provides clean engine operation and helps maintain power and fuel efficiency
- Flows dependably in cold temperatures for reliable startup and engine protection
Ready to buy or need help selecting the right product?
Product information checked: September 2026. Product formulations, specifications, applications, availability and published claims can change.
For the latest official information, consult the AMSOIL Corproate Website.
