Top 8 15W-40 Synthetic Diesel Oil – Motor Oils

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1. Shell Rotella T


Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil 1-Gallon, Case of 3

Shell Rotella T #ad - Engineered with shear stability to resist viscosity loss and maintain optimal engine oil pressure. 5% improved fuel economy performance compared to SAE 15W-40 oils. Provides 1. For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual. Formulated with additive technology that protects against the effects of soot, dirt and other contaminants. Triple protection plus formula combines fully synthetic base oils with advanced additives for excellent equipment protection and long engine life.
BrandShell Rotella T #ad
ManufacturerRotella #ad
Part Number550050467-3PK

2. Shell Rotella T


Case of 3, Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil 1-Gallon

Shell Rotella T #ad - Triple protection plus technology protects against wear, deposits and oil breakdown plus provides better low temperature flow compared to SAE 15W-40 oils. Heavy duty engine oil formulated with synthetic base oil components. Helps control engine deposits for reliability at extended oil drain intervals. Formulated to control engine wear, 37% better than the maximum wear requirements in API CK-4 engine wear tests. Delivers improved oxidation performance for increased resistance to breakdown under high temperatures compared to the previous formulation.
BrandShell Rotella T #ad
ManufacturerRotella #ad
Weight24 Pounds
Part Number550045348-3PK

3. Schaeffer Manufacturing Co


Bottle Pack of 12, Schaeffer Manufacturing Co. 0700CK4-012 SynShield Durability Advantage 15W-40 Diesel Oil, 12 Quart

Schaeffer Manufacturing Co #ad - Strong stay-in-grade performance throughout the life of the oil. Better contamination control with superior soot-busting, deposit-dispersing capability. Oil durability: strong oxidation and viscosity control with less oil consumption. Excellent wear protection during severe operating conditions. Friction modified with micron moly and penetrate.
BrandSchaeffer Manufacturing Co #ad
ManufacturerSchaeffer Manufacturing Co. #ad
Part Number0700CK4-012
WarrantyCheck with manufacturer.

4. Royal Purple


1 gal. Case of 3, Royal Purple 44154 04154 API-Licensed SAE 15W-40 High Performance Synthetic Motor Oil

Royal Purple #ad - Better wear protection. Increased fuel efficiency. Improved compatibility with fuels containing ethanol. Better protection of the expensive catalytic emission system. Royal purple 44154 api-licensed sae 15w-40 high performance Synthetic Motor Oil - 1 Gallon Jug, Pack of 3, Superior corrosion protection.
BrandRoyal Purple #ad
ManufacturerRoyal Purple #ad
Height8 Inches
Length15 Inches
Weight24 Pounds
Width9 Inches
Part Number44154

5. Shell Rotella T


Shell Rotella T, 550045348 5 Synthetic Blend 15W-40 Diesel Motor Oil 1-Gallon, Single-Pack

Shell Rotella T #ad - Rotella t5 meets the requirements of the major US engine manufacturers for low emission applications. Advanced low-ash formulation helps control the blocking or poisoning of exhaust after treatment devices, helping maintain vehicle emission compliance and engine fuel efficiency. The advanced formulation delivers good engine cleanliness and protection against piston deposits ensuring engine and component reliability at extended oil drain intervals. Synthetic base oil components provides the capability to improve cold starting and low temperature performance reduce fuel consumption.
BrandShell Rotella T #ad
ManufacturerRotella #ad
Height12.6 Inches
Length7.7 Inches
Width3.6 Inches
Part Number550045348
WarrantyPlease contact retailer/seller for assistance

6. Royal Purple


1 Gallon Each Pack of 6, Royal Purple API-Licensed SAE 15W-40 High Performance Synthetic Motor Oil

Royal Purple #ad - Improved compatibility with fuels containing ethanol Superior corrosion protection. Better protection of the expensive catalytic emission system. Case of 6 // 1 Gallon Each. Better wear protection Increased fuel efficiency.
BrandRoyal Purple #ad
ManufacturerRoyal Purple #ad
Height10 Inches
Length10 Inches
Weight6 Pounds
Width10 Inches
Part Number04154(6)

7. Delo


1 Gallon Jug, Pack of 3, 222290388, Delo 400 SDE SAE 15W-40 Motor Oil

Delo #ad - Formulated with ISOSYN technology. Formulated to meet the requirements of post-2007 low emission engines. May be used in older conventional engines and gasoline engines. Provides outstanding performance with ultra-low sulfur diesel and also with normal and low sulfur diesel fuels. Premium quality heavy duty motor oil manufactured in the USA.
BrandDelo #ad
ManufacturerChevron #ad
Height8.4 Inches
Length13.6 Inches
Width12.4 Inches
Part Number222290388
WarrantyDelo 400

8. Valvoline


773780 Premium Blue SAE 15W-40 Diesel Engine Oil 1 GA, Case of 3, Valvoline

Valvoline #ad - Outstanding oxidation resistance supports long oil life in heavy duty engines. One solution technology suitable for a wide range of heavy-duty engines including diesel, gas and natural gas applications. The only one“ endorsed and recommended by Cummins. Superior wear protection for hardworking heavy-duty trucks and equipment.
BrandValvoline #ad
ManufacturerValvoline #ad
Height11.44 Inches
Length14.5 Inches
Weight8.21 Pounds
Width9.13 Inches
Part Number773780