Top 10 Best 15-40 Diesel Motor Oil

of November 2024
1
Best ChoiceBest Choice
Ultra1Plus SAE 15W-40 Full Synthetic Heavy-Duty Motor Oil, API CK-4/SN - Diesel
ULTRA 1PLUS
ULTRA 1PLUS
10
Exceptional
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2
Best ValueBest Value
Ultra1Plus SAE 15W-40 Conventional Heavy-Duty Motor Oil, API CI-4/SL
ULTRA 1PLUS
ULTRA 1PLUS
9.9
Exceptional
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3
Ultra1Plus SAE 15W-40 Synthetic Blend Heavy-Duty Motor Oil API CK-4/SN - 1 Quart
ULTRA 1PLUS
ULTRA 1PLUS
9.8
Exceptional
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4
TRUEGARD 15W-40 Motor Oil 55-Gallon Drum
TRUEGARD
TRUEGARD
9.7
Exceptional
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5
Valvoline Premium Blue One Solution SAE 15W-40 Diesel Engine Oil 1 GA
Valvoline
Valvoline
9.6
Exceptional
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6
Tulux T500 15W40 Classic Diesel Engine Oil - 55 Gallon Drum (1)
Sinopec
Sinopec
9.5
Excellent
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7
Shell Rotella 15W40 Motor Oil (Gallon)
Shell Rotella
Shell Rotella
9.4
Excellent
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8
Delo 400 SDE SAE 15W-40 Motor Oil - 1 Gallon Jug, (Pack of 3)
Delo
Delo
9.3
Excellent
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9
Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (1 Gallon, Case of 3)
Shell Rotella
Shell Rotella
9.2
Excellent
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10
Delo 222290428 400 SDE SAE 15W-40 Motor Oil - 5 Gallon Pail
Chevron
Chevron
9.1
Excellent
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11
Mobil 1 112786 Delvac 1300 Super 15W-40 Diesel Engine Oil - 4 Gallon Pack
Mobil 1
Mobil 1
9.0
Excellent
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12
Lucas Oil 10299-PK4 Synthetic 15W-40 CJ-4 Truck Oil - 1 Gallon Jug, Pack of 4
Lucas Oil
Lucas Oil
8.9
Very Good
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13
Mobil Super 96819 15W-40 Delvac 1300 Motor Oil - 1 Gallon (Pack of 4)
Mobil 1
Mobil 1
8.8
Very Good
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About 15-40 Diesel Motor Oil

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Ultra1Plus SAE 15W-40 Full Synthetic Heavy-Duty Motor Oil, API CK-4/SN - Diesel Engine Oil

SUPERIOR ENGINE PROTECTION U1P SAE 15W-40 Full synthetic formula reduces wear and extends engine life.. ENHANCED PERFORMANCE Strong shear stability maintains oil viscosity for optimal performance under demanding conditions.. COMBATS DEPOSITS OXIDATION Fights soot, sludge, and oil breakdown for cleaner engines and longer oil life.. FUEL EFFICIENCY Minimizes oil consumption for improved fuel economy in various driving conditions.. BROAD COMPATIBILITY Exceeds API CK-4, API CJ-4, CI-4CI-4, CI-4, and CH-4 standards, suitable for a wide range of diesel engines..

Ultra1Plus SAE 15W-40 Conventional Heavy-Duty Motor Oil, API CI-4/SL

Cleans and extends engine life.. Provides fluidity during cold starts.. Reduces engine wear and excessive oil and fuel consumption.. Reduces the accumulation of sludge and the formation of deposits generated at high temperatures.. High resistance to oxidation allows longer cycle between oil change..

Ultra1Plus SAE 15W-40 Synthetic Blend Heavy-Duty Motor Oil API CK-4/SN - 1 Quart

ADVANCED 15W-40 SYNTHETIC BLEND OIL Protects modern older diesel engines API CK-4SN.. EXTENDS ENGINE LIFE Reduces wear controls soot build-up for long engine life.. EXCEPTIONAL PERFORMANCE Excellent oxidation stability viscosity control in extreme conditions.. IMPROVED FUEL ECONOMY Enhanced oil efficiency allows for extended drain intervals.. COLD WEATHER STARTS Formulated for smooth starting and pumpability in very cold temperatures..

TRUEGARD 15W-40 Motor Oil 55-Gallon Drum

API CJ-4 APPROVED.

Valvoline Premium Blue One Solution SAE 15W-40 Diesel Engine Oil 1 GA

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. Outstanding oxidation resistance supports long oil life in heavy duty engines. Superior wear protection for hardworking heavy-duty trucks and equipment.

Tulux T500 15W40 Classic Diesel Engine Oil - 55 Gallon Drum (1)

This item does NOT ship free to residential, home business or farm addresses, please scroll down to confirm shipping details prior to purchase.. Sinopec Tulux T500 Classic Diesel Engine Oil is formulated with hydrocracked high viscosity index base oils and advanced multifunctional additive technology to meet the requirements of a wide range of engine manufacturers. Suitable for pre EPA 2007 diesel engines, where excellent soot control is required. Also suitable for use in engines with or without EGR systems.. Compare to Shell Rotella T, Mobil Delvac MX, Chevron Delo. Certifications API CI-4, SM, ACEA E7-08, DH-1, Caterpillar ECF-1a Cummins CES 200782007720076, Volvo VDS-3VDS-4, Man 3275, MB 228.3, Renault RLD-3, Mack EO-M Plus, MTU Type 2.. Pack Size 55 Gallon Drum 200L Volume.

Shell Rotella 15W40 Motor Oil (Gallon)

Protects under the most severe engine conditions found in modern low-emission engines and older hard working diesel engines. Exceptional wear protection for longer engine life. Superior engine cleanliness for a cleaner engine throughout oil drain interval. Enhanced protection against oxidation for more efficient operation. Increased shear stability for better viscosity control and optimal oil pressure.

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

Premium quality heavy duty motor oil manufactured in the USA. Formulated to meet the requirements of post-2007 low emission engines. Provides outstanding performance with ultra-low sulfur diesel and also with normal and low sulfur diesel fuels. May be used in older conventional engines and gasoline engines. Formulated with ISOSYN technology.

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

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. Case of three 1-gallon bottles with ergonomic design for easy handling and pouring.

Delo 222290428 400 SDE SAE 15W-40 Motor Oil - 5 Gallon Pail

Premium quality, heavy duty motor oil manufactured in the USA. Formulated to meet the requirements of post-2007 low emission engines. Provides outstanding performance with ultra-low sulfur diesel and also with normal and low sulfur diesel fuels. May be used in older, conventional engines and gasoline engines. Formulated with ISOSYN technology.

Mobil 1 112786 Delvac 1300 Super 15W-40 Diesel Engine Oil - 4 Gallon Pack

Lucas Oil 10299-PK4 Synthetic 15W-40 CJ-4 Truck Oil - 1 Gallon Jug, Pack of 4

For best performance, follow the manufacturer's recommendations in your vehicle owners manual..

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

For best performance, follow the manufacturer's recommendations in your vehicle owners manual..
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