Top 10 15W-40 Diesel Oil 2.5 Gallon – Motor Oils

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1. Mobil 1

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Two 2.5 Gal, Mobil Delvac 1300 Super Syn Blend Diesel Oil 15W-40

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Mobil 1 #ad - Mobil delvac 1300 super 15w-40 is a premium synthetic blend diesel engine oil that helps extend engine life for diesel vehicles and equipment.

Fully backward-compatible to deliver exceptional performance in newer and older heavy-duty engines, as well as gasoline engines with API SN specifications. Helps to deliver extended performance for up to 50% beyond OEM-recommended oil drain intervals**. Meets api ck-4 requirements for new engines, delivering excellent soot and viscosity control. Biodiesel compatible* for a wide range of heavy-duty applications and environments, construction, like the trucking, mining, agricultural, and marine industries.
BrandMobil 1 #ad
ManufacturerMobil 1 #ad
Height9.3 Inches
Length15.3 Inches
Weight41 Pounds
Width14.9 Inches
Part Number122493

2. Shell Rotella

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Case of 2, Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil 2.5-Gallon

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Shell Rotella #ad - Exceptional wear protection for longer life in a wide range of heavy-duty engine applications — from pickup trucks to tractors to semi rigs. Increased shear stability for better viscosity control and optimal engine oil pressure.

Multi-functional dispersant additives provide an enhanced level of protection against the effects of soot, dirt, and other contaminants compared to previous formulation. Better cold-cranking properties and low-temperature pumpability for reaching critical engine parts faster. Full synthetic 5w-40 diesel engine oil with Triple Protection Plus technology protects against wear, oil breakdown, deposits, and improves low-temperature flow.

Case of two 2. 5-gallon bottles. Enhanced fuel economy capability of 1. 5 percent without compromising engine protection or durability compared to 15W-40 oils. Advanced low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low-emission vehicles.
BrandShell Rotella #ad
ManufacturerShell Rotella #ad
Height15 Inches
Length16 Inches
Width10 Inches
Part Number550046215-2PK
Model550046215-2PK
WarrantyPlease contact retailer/seller for assistance

3. Shell Rotella

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Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil 2.5 Gallon, Case of 2

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Shell Rotella #ad - Improved oxidation performance for increased resistance to oil breakdown under high temperatures compared to the previous formulation. Synthetic blend 15w-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown.

Ideal for on-highway fleets, and agricultural machinery, construction, and diesel pickup trucks — including high-power vehicles that require resistance to heat and stress. Improves low-temperature flow compared to conventional 15W-40 oils. Helps control engine deposits for reliability at extended oil drain intervals always follow the OEM recommended oil drain interval. Case of two 2. 5-gallon bottles. Controls engine wear 37 percent better than the maximum wear requirements in API CK-4 engine wear tests.
BrandShell Rotella #ad
ManufacturerShell Rotella #ad
Part Number550046213-2PK
Model550046213-2PK
WarrantyPlease contact manufacturer for assistance

4. Delvac

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Delvac Mobil Mobil 15W-40 Heavy Duty Diesel Oil, 2.5 gal.

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Delvac #ad - Oxidation performance superior to most conventional oils. 2. 5 gal mobil delvac oil offers extended drains beyond conventional oils. Excellent low-temperature performance allows oil flow to critical bearing surfaces at start-up and controls low-temperature sludge formation in stop-and-go service. Stay-in-grade shear stability protects engine parts at high operating temperatures and reduces oil consumption. Excellent anti-wear and anti-scuff properties.
BrandDelvac #ad
ManufacturerDelvac #ad
Height14.38 Inches
Length8.76 Inches
Width7.06 Inches

5. Rotella

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Case of 2, Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil 2.5-Gallon

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Rotella #ad - Wear control helps keep moving metal engine surfaces apart for a longer life. Formulated with advanced additive technology for enhanced deposit control and superior engine cleanliness throughout the oil drain interval.

Meets or exceeds api ck-4 requirements and is designed to provide extra performance in both older and new engines. Exceptional wear protection for longer life in a wide range of heavy-duty engine applications — from diesel pickup trucks to tractors to tractor trailers. Case of two 2. 5-gallon bottles. Increased shear stability for better viscosity control and optimal engine oil pressure. Enhanced protection against oil oxidation for more efficient operation. Conventional 15w-40 diesel engine oil with Triple Protection technology protects against wear, deposits, and oil breakdown.
BrandRotella #ad
ManufacturerRotella #ad
Height9 Inches
Length14 Inches
Weight19.35 Pounds
Width7 Inches
Part Number550045127-2PK
Model550045127-2PK
WarrantyLimited Warranty

6. Ams oil

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Ams oil DMETP Signature Series Max-Duty Synthetic Diesel Oil 15W-40 2.5 Gallon Jug, Black

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Ams oil #ad - Outstanding extreme-pressure protection delivers 6X more wear protection Maintains proper viscosity thickness Minimizes oil consumption Maximizes fuel efficiency Excels in extreme temperatures Provides up to 2X better rust protection.
BrandAms oil #ad
ManufacturerAms oil #ad
Part NumberDMETP-EA
ModelDMETP
WarrantyWarranty Secure

7. Shell Rotella

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Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil 2.5-Gallon, Single

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Shell Rotella #ad - Meets or exceeds api ck-4 requirements and is designed to provide extra performance in both older and new engines. Conventional 15w-40 diesel engine oil with Triple Protection technology protects against wear, deposits, and oil breakdown.

Increased shear stability for better viscosity control and optimal engine oil pressure. Formulated with advanced additive technology for enhanced deposit control and superior engine cleanliness throughout the oil drain interval. Single 2. 5-gallon bottle with ergonomic design for easy handling and pouring. Enhanced protection against oil oxidation for more efficient operation. Wear control helps keep moving metal engine surfaces apart for a longer life. Exceptional wear protection for longer life in a wide range of heavy-duty engine applications — from diesel pickup trucks to tractors to tractor trailers.
BrandShell Rotella #ad
ManufacturerRotella #ad
Height15.25 Inches
Length14.5 Inches
Weight18 Pounds
Width9.25 Inches
Part Number550045127
Model550045127
WarrantySee label

8. Shell Rotella

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Shell Rotella 550019919 T Triple Protection 15W-40 Heavy Duty Diesel Engine Oil CJ-4, 2.5 Gal.

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Shell Rotella #ad - Up to 38 percent lower wear in over 40 million miles of on and off road testing in late-model engines. Using modern multi-component chemistry, Shell Rotella T Triple Protection gives all-around protection for turbo and non-turbocharged engines alike.

Shell rotella t triple protection oils provide triple action to help control wear, deposits and emissions to continuously adapt to the needs of your engine for protection in on and off highway applications. Meets or exceeds api cj-4 requirements, and is designed to provide extra performance; Shell Rotella T Triple Protection performs well in both older and new engines.

30 percent increase in active ash less chemistry to protect against deposits and sludge. Shell rotella t triple protection heavy duty oils provide triple action to help control wear, deposits and emissions to continuously adapt to the needs of your engine for protection in on and off highway applications.
BrandShell Rotella #ad
ManufacturerShell Rotella #ad
Part Number550019919
Model550019919

9. Shell Rotella

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

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Shell Rotella #ad - Better cold-cranking properties and low-temperature pumpability for reaching critical engine parts faster. Advanced low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low-emission vehicles.

Multi-functional dispersant additives provide an enhanced level of protection against the effects of soot, dirt, and other contaminants compared to previous formulation. Increased shear stability for better viscosity control and optimal engine oil pressure. Full synthetic 15w-40 diesel engine oil with Triple Protection Plus technology protects against wear, oil breakdown, deposits, and improves low-temperature flow.

Exceptional wear protection for longer life in a wide range of heavy-duty engine applications — from pickup trucks to tractors to semi rigs. Case of three 1-gallon bottles with ergonomic design for easy handling and pouring. Enhanced fuel economy capability of 1. 5 percent without compromising engine protection or durability compared to 15W-40 oils.
BrandShell Rotella #ad
ManufacturerRotella #ad
Part Number550050467
Model550050467-3PK
WarrantyLimited

10. Mobil 1

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1 Gallon Pack of 4, Mobil Super 96819 15W-40 Delvac 1300 Motor Oil

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Mobil 1 #ad - If you have any questions or need fitment information for your vehicle, please contact with us. Manufactured to meet or exceed strict quality requirements. Designed to deliver trouble-free, consistent performance. Right for your vehicle and lifestyle.
BrandMobil 1 #ad
ManufacturerMobil 1 #ad
Height10 Inches
Length17 Inches
Weight20.3 Pounds
Width12 Inches
Part Number122492