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AMSOIL 15W-40 Commercial Grade Diesel Oil
Product code : SBDF1G-EA
AMSOIL 15W-40 Commercial Grade Diesel Oil
Product code : SBDF1G-EA
Current price:
$38.29
Retail Price
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Estimated delivery by Mon, Jun 8
to Columbus - 43215.
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Added to Your Shopping Cart
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- 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
-
We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price. View full AMSOIL Return Policy.
-
We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.
About this item
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15W-40 Commercial-Grade Diesel Oil
Product Code : SBDFTP-EA
• 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 oils¹Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222
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.See the product data sheet for full details.
HEAVY-DUTY ENGINE PROTECTION
• Delivers 2X more wear protection1
• Helps maximize equipment life
• Helps reduce maintenance costs and downtime¹Based 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.IIBased 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 consumptionEXCELS 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 -
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star rating
Its amsoilBy JOSEPH, a Verified Buyer on December 15, 2025Doesn't really get any better than amsoil, been running the product for years in all of my modified vehicles front to back with no issues. The price of this 15w40 is on point as well.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
It’s a synthetic blend but …By PAUL H., a Verified Buyer from Joplin, MO on June 30, 2025It’s a synthetic blend but it’s a higher content blend than the rest. All my company trucks run it and it seems to working out great for all of them. Better fuel mileage and better engine temperatures!Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
My 6.0 loves itBy STEVEN, a Verified Buyer on June 07, 2025Run this in my 2006 6.0 power stroke. Seems to be a better alternative to the OEM oil. Engine runs quieter and starts better. Zero injector issues.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
AwesomeBy JAMES, a Verified Buyer on May 27, 2025Great product and fast delivery. Awesome price.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Best oilBy ROMAN, a Verified Buyer from Naples FL on May 17, 202515W40 Commercial Grade diesel oil Best oil for my Cummins ISX 2008 1.650.000 miles Change every 12.000-15.000 milBottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Peace of mind using this oilBy GARY, a Verified Buyer from Alabama on June 25, 2024Great oilBottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Beast Semi Truck OilBy Mark, a Verified Buyer from Nazareth on May 27, 2024Should’ve done this before if i love my truck! This is the best choice for my Kenworth T660, runs super nice, and no more garbage oil, or cheap oil on that expensive engine. Recommend 1000%Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
EnduranceBy KEVIN, a Verified Buyer from Us East Coast on March 03, 2024I’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!Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Good oilBy CHIP, a Verified Buyer from Missouri on January 13, 2024The world works good for not being a full synthetic period I like it because the burnout rate is a lot less.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Data Bulletins-
- 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
-
We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price. View full AMSOIL Return Policy.
-
We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.
-
15W-40 Commercial-Grade Diesel Oil
Product Code : SBDFTP-EA
• 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 oils¹Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222
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.See the product data sheet for full details.
HEAVY-DUTY ENGINE PROTECTION
• Delivers 2X more wear protection1
• Helps maximize equipment life
• Helps reduce maintenance costs and downtime¹Based 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.IIBased 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 consumptionEXCELS 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 -
-
-
star rating
Its amsoilBy JOSEPH, a Verified Buyer on December 15, 2025Doesn't really get any better than amsoil, been running the product for years in all of my modified vehicles front to back with no issues. The price of this 15w40 is on point as well.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
It’s a synthetic blend but …By PAUL H., a Verified Buyer from Joplin, MO on June 30, 2025It’s a synthetic blend but it’s a higher content blend than the rest. All my company trucks run it and it seems to working out great for all of them. Better fuel mileage and better engine temperatures!Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
My 6.0 loves itBy STEVEN, a Verified Buyer on June 07, 2025Run this in my 2006 6.0 power stroke. Seems to be a better alternative to the OEM oil. Engine runs quieter and starts better. Zero injector issues.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
AwesomeBy JAMES, a Verified Buyer on May 27, 2025Great product and fast delivery. Awesome price.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Best oilBy ROMAN, a Verified Buyer from Naples FL on May 17, 202515W40 Commercial Grade diesel oil Best oil for my Cummins ISX 2008 1.650.000 miles Change every 12.000-15.000 milBottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Peace of mind using this oilBy GARY, a Verified Buyer from Alabama on June 25, 2024Great oilBottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Beast Semi Truck OilBy Mark, a Verified Buyer from Nazareth on May 27, 2024Should’ve done this before if i love my truck! This is the best choice for my Kenworth T660, runs super nice, and no more garbage oil, or cheap oil on that expensive engine. Recommend 1000%Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
EnduranceBy KEVIN, a Verified Buyer from Us East Coast on March 03, 2024I’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!Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Good oilBy CHIP, a Verified Buyer from Missouri on January 13, 2024The world works good for not being a full synthetic period I like it because the burnout rate is a lot less.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
