Top 10 Best Diesel Motor Oil 15w40
of November 2024
1
Best Choice
ULTRA 1PLUS
ULTRA 1PLUS
Ultra1Plus SAE 15W-40 Full Synthetic Heavy-Duty Motor Oil, API CK-4/SN - Diesel Engine Oil
10
Exceptional
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2
Best Value
Shell Rotella
Shell Rotella
Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Single Pack)
9.9
Exceptional
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3
Shell Rotella
Shell Rotella
Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)
9.8
Exceptional
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4
Shell Rotella
Shell Rotella
Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (1 Gallon, Case of 3)
9.7
Exceptional
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5
Valvoline
Valvoline
Valvoline Premium Blue SAE 15W-40 Diesel Engine Oil 1 GA, Case of 3
9.6
Exceptional
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6
Sinopec
Sinopec
Tulux T500 15W40 Classic Diesel Engine Oil - 275 Gallon IBC Tote (1)
9.5
Excellent
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7
Triax
Triax
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)
9.4
Excellent
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8
Mobil 1
Mobil 1
Mobil 1 112786 Delvac 1300 Super 15W-40 Diesel Engine Oil - 4 Gallon Pack
9.3
Excellent
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9
Castrol
Castrol
Castrol GTX Diesel 15W-40 CK-4 Motor Oil - 1 Gallon, (Pack of 3)
9.2
Excellent
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10
Shell Rotella
Shell Rotella
Shell Rotella T5 Synthetic Blend 15W-40 Diesel Motor Oil (1-Gallon, Single-Pack)
9.1
Excellent
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11
Shell Rotella T
Shell Rotella T
Rotella T4 15w40 Heavy Duty Motor Oil - 1 Gallon Bottles - 6 Pack
9.0
Excellent
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About Diesel Motor Oil 15w40
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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..
Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Single Pack)
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. Single 1-gallon bottle 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 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)
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. Case of three 1-gallon bottles 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, 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.
Valvoline Premium Blue SAE 15W-40 Diesel Engine Oil 1 GA, Case of 3
Valvoline Premium Blue Engine oil is The Only One exclusively endorsed and recommended by Cummins. Strong shear stability provides stay-in-grade performance. Outstanding wear protection. Superior deposit protection compared to industry requirements.
Tulux T500 15W40 Classic Diesel Engine Oil - 275 Gallon IBC Tote (1)
This item does NOT ship 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.. 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 275 Gallon Tote 1000L Volume.
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.
Mobil 1 112786 Delvac 1300 Super 15W-40 Diesel Engine Oil - 4 Gallon Pack
Size 1 Gallon. Type 15w - 40. For usediesel engines requiring 15w-40 engine oil referbottle for specifications. Extends engine life with its unique additive system.
Castrol GTX Diesel 15W-40 CK-4 Motor Oil - 1 Gallon, (Pack of 3)
Provides exceptional protection from piston deposits, oil thickening and valve train wear while minimizing engine sludge formulation. Engineered to provide exceptional performance in engines operating under severe service conditions including towing and hauling under high temperatures. Special viscosity improvers, anti-wear, anti-oxidant and detergent additives protect and maintain cleanliness in hot running, heavy diesel and heavy duty gasoline engines. Applicable for on and off road heavy duty 4-stroke trucks, gasoline and diesel light trucks and passenger cars where API CK-4, CJ-4, CI-4, CH-4, CG-4, CF-4, CF, SN are recommended.
Shell Rotella T5 Synthetic Blend 15W-40 Diesel Motor 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.
Rotella T4 15w40 Heavy Duty Motor Oil - 1 Gallon Bottles - 6 Pack
Heavy-duty diesel engine oil. Protects against corrosion as fuel burns and oil ages. Keeps engine clean for optimum performance. Helps keep moving metal engine surfaces apart for long life.