Money Saving Synthetic Blend 15W-40 Commercial Grade Diesel Oil
Guaranteed at least 50% Synthetic Base. That’s 35% more than your Rotella T5 or other diesel brands. AMSOIL has made a best in grade for diesel synthetic blends for the price. Therefore you get a cleaner better running engine (saving fuel) just by switching brands in the same price class!
Product code : SBDFTP-EA
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.
When you open the link to the store on this 15W-40, focus on the Preferred Customer price box in the twin pack. That’s 5 gallons at the Preferred Customer price! Divide by 5 and that’s your gallon price!
Commercial Syn-Blend Oil Data Sheet
15W-40 Commercial-Grade Diesel Oil
• Greater than 50% synthetic content delivers upgraded protection (Greater synthetic base than Rotella T5 in the same price category)
• Delivers 2X more wear protection. An easy way to add life to that hard working gear!
• 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
Call 800-579-0580 for competitive current price.
Or use the online preferred customer portal if you choose to order online.
15W-40 Synthetic Blend Product Overview
15W-40 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.
If you rent heavy equipment and gear this is the minimum choice to protect your investment.
HEAVY-DUTY ENGINE PROTECTION
• Delivers 2X more wear protection1
• Helps maximize equipment life
• Helps reduce maintenance costs and downtime
Improves resale value when the mechanic notices it’s not all sludged up like everyone else’s gear!
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.
– Based 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.
Commercial Grade 15W-40 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 – A breakthrough for the price!
• 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
See the product data sheet for full details.
Buy in the Sioux Falls AMSOIL store at 47073 98th St (Exit 73 near TEA) or use this Online link to the Amsoil sale page if you are outside of the area.
Customer Remarks on the new Semi-Synthetic blend
Best oil
By ROMAN, a Verified Buyer from Naples FL on May 17, 2025
15W40 Commercial Grade diesel oil Best oil for my Cummins ISX 2008 1.650.000 miles Change every 12.000-15.000 mil
Beast Semi Truck Oil
Endurance
By KEVIN, a Verified Buyer from Us East Coast on March 03, 2024
I’ve been using AMSOIL 15W-40 exclusively in my Westerbeke genset and Cummins 6BT5.9 for 18 years now. At every fluid change the analysis from Blackstone comes back with excellent results. AMSOIL is my engine fluids supplier…period!