Top 10 Best T6 15w-40 Synthetic Diesel Oil

of November 2024
1
Best ChoiceBest Choice
Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil (1-Gallon, Single Pack)
Shell Rotella
Shell Rotella
10
Exceptional
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2
Best ValueBest Value
Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (1 Gallon, Single
Shell Rotella
Shell Rotella
9.9
Exceptional
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3
Schaeffer Manufacturing Co. 0700CK4-006S SynShield Durability Advantage 15W-40
Schaeffer Manufacturing Co.
Schaeffer Manufacturing Co.
9.8
Exceptional
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4
Shell Rotella 550019916 T Triple Protection 15W-40 Heavy Duty Engine Oil -1-5
Shell Rotella
Shell Rotella
9.7
Exceptional
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5
Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil
Shell Rotella
Shell Rotella
9.6
Exceptional
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6
Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil 5W-40, 5 Gallon Pail
Shell Rotella
Shell Rotella
9.5
Excellent
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7
Royal Purple 05154 API-Licensed SAE 15W-40 High Performance Synthetic Motor Oil
Royal Purple
Royal Purple
9.4
Excellent
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8
Triax Fleet Supreme ESP 15W-40 API CK-4 Full Synthetic Diesel Engine Oil,
Triax
Triax
9.3
Excellent
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9
Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (1-Quart, Single Pack)
Shell Rotella T
Shell Rotella T
9.2
Excellent
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10
Mobil 1 Advanced Full Synthetic Motor Oil 15W-50, 5 Quart
Mobil 1
Mobil 1
9.1
Excellent
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About T6 15w-40 Synthetic Diesel Oil

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Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil (1-Gallon, Single Pack)

Full synthetic 15W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, 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. Enhanced fuel economy capability of 1.5 percent without compromising engine protection or durability compared to 15W-40 oils. 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. Better cold-cranking properties and low-temperature pumpability for reaching critical engine parts faster. Single 1-gallon bottle with ergonomic design for easy handling and pouring. Advanced low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low-emission vehicles.

Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (1 Gallon, Single Pack)

Synthetic blend 15W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown. Ideal for on-highway fleets, construction, and agricultural machinery, 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. Controls engine wear 37 percent better than the maximum wear requirements in API CK-4 engine wear tests. Improved oxidation performance for increased resistance to oil breakdown under high temperatures compared to the previous formulation. Single 1-gallon bottle with ergonomic design for easy handling and pouring.

Schaeffer Manufacturing Co. 0700CK4-006S SynShield Durability Advantage 15W-40 Diesel Engine Oil, 1-Gallon Bottle

Excellent wear protection during severe operating conditions. Oil durability strong oxidation and viscosity control with less oil consumption. Better contamination control with superior soot-busting, deposit-dispersing capability. Strong stay-in-grade performance throughout the life of the oil. Friction modified with micron moly and penetrate.

Shell Rotella 550019916 T Triple Protection 15W-40 Heavy Duty Engine Oil -1-5 Gallon Pail

Conventional motor oil compatible with most vehicles. Motor oil weight SAE 15W-40. Industry-tested for up to 50 less engine wear. Enhanced engine cleanliness and viscosity control. Designed to control piston deposits in late model engines.

Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)

Conventional 15W-40 diesel engine oil with Triple Protection technology protects against wear, deposits, and oil breakdown. Formulated with advanced additive technology for enhanced deposit control and superior engine cleanliness throughout the oil drain interval. Enhanced protection against oil oxidation for more efficient operation. Increased shear stability for better viscosity control and optimal engine oil pressure. Wear control helps keep moving metal engine surfaces apart for a longer life. Meets or exceeds API CK-4 requirements and is designed to provide extra performance in both older and new engines. Case of three 1-gallon bottles with ergonomic design for easy handling and pouring. Exceptional wear protection for longer life in a wide range of heavy-duty engine applications from diesel pickup trucks to tractors to tractor trailers.

Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil 5W-40, 5 Gallon Pail

Better fuel economy - compared to 15W-40 oils Rotella offers enhanced fuel economy capability of 1.5 without compromising engine protection or durability. Improved wear performance - provides a significantly increased level of protection against harmful engine wear when compared to previous generation API CJ-4 engine oils. Improved deposit control - advanced multi-functional dispersant additives in combination with synthetic base oils provide an enhanced level of protection against the effects of soot, dirt and other contaminants. Emissions system compatibility - advanced low-ash formulation helps control blocking of or poisoning of exhaust after-treatment devices, helping maintain vehicle emission compliance and engine fuel efficiency. Improved heat resistance - resists breakdown by heat to provide continuous protection throughout the service interval.

Royal Purple 05154 API-Licensed SAE 15W-40 High Performance Synthetic Motor Oil - 5 Gallon

Better wear protection. Increased fuel efficiency. Better protection of the expensive catalytic emission system. Improved compatibility with fuels containing ethanol.

Triax Fleet Supreme ESP 15W-40 API CK-4 Full Synthetic Diesel Engine Oil, Friction Optimized and Boosted with Molybdenum and Nano-Boron, Superb Powerstroke Performance (5 Gallon Pail)

CRP organic, metallic, Moly plating technology for unsurpassed wear protection, oxidation, and high temp stability. Friction modified and VI stabilizer pre-boosted un-rivaled turbo-charger protection will not create deposits and ash on turbo bearings will not fry on the turbo. Contains state-of-the-art dispersal and ash control systems to keep your engine extremely clean. Extreme drain intervals capabilities 25,000-mile drain interval for pickups and 80,000 for class 8 semi-trucks. Eliminates the need to clean diesel particulate filters and is for use in virtually all diesel-powered pickups and heavy-duty trucks, both pre 2007 and post 2007 models fitted with emission control systems.

Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (1-Quart, Single Pack)

Better fuel economy - compared to 15W-40 oils Rotella offers enhanced fuel economy capability of 1.5 without compromising engine protection or durability.. Improved wear performance - provides a significantly increased level of protection against harmful engine wear when compared to previous generation API CJ-4 engine oils. Improved deposit control - advanced multi-functional dispersant additives in combination with synthetic base oils provide an enhanced level of protection against the effects of soot, dirt and other contaminants. Emissions system compatibility - advanced low-ash formulation helps control blocking of or poisoning of exhaust after-treatment devices, helping maintain vehicle emission compliance and engine fuel efficiency. Improved heat resistance - resists breakdown by heat to provide continuous protection throughout the service interval.

Mobil 1 Advanced Full Synthetic Motor Oil 15W-50, 5 Quart

Mobil 1 advanced full synthetic motor oil 15W-50 helps to protect your engine from the five factors that can damage engines over time. Helps to protect critical engine parts for up to 10,000 miles between oil changes, controlling oxidation to prevent oil breakdown and maintaining excellent viscosity. Provides low-speed pre-ignition LSPI and timing chain wear protection while keeping your engine clean. Helps extend engine life by working to prevent damaging deposits and sludge buildup. Provides excellent internal engine heat protection up to 500 degrees F and low temperatures to -40 degrees F.
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