The Best 15w40 synthetic diesel oil of 2022 – Reviews & Buying Guide
After hours researching and comparing all models on the market, we find out the Best 15w40 synthetic diesel oil of 2022. Check our ranking below.
2,890 Reviews Scanned
- 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
- 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
- Delivers superior protection and enhanced performance due to its unique blend of synthetic oils
- Enhanced additive technology greatly reduces engine wear and prevents metal-to-metal contact
- Extremely tenacious, adheres to engine surfaces, and remains after shutdown, providing protection upon initial startup
- Patented ZDDP additives better protect to optimize the life of your expensive catalytic emission system
- The performance oil that outperforms
- 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
- WHY TRIAX: Quieter engine operation, lower operating temperature, 4-6% MPG Improvement, faster and smoother turbo spooling, exceptional cold start properties down to -45 F. Outperforms leading brand motor oils by a wide margin.
- FRICTION MODIFIED: Boosted with Nano-Boron and Moly friction modifiers for significantly improved wear protection over any other diesel engine oils. EXTREME WEAR Protection - Up to 48% lower wear than learning OEM and industry standards due to a much lower friction coefficient (50% lower or better) than the competition.
- IDEAL FOR DIESEL PICK-UP TRUCKS: Full compatibility with any heavy duty diesel trucks from Ford Powerstroke, Chevy Silverado, Dodge RAM, GMC Sierra, and many others.
- LONGEST DRAIN INTERVALS: Capable of drain intervals exceeding 100,000 miles for highway trucks (semis) and 30,000 miles Super Duty Pickups.
- IMPROVED DURABILITY: Very high shear stability and film strength. Maintains its viscosity better than other diesel oils. Protects your engine in severe service conditions such as towing or hauling, without compromising drain intervals.
- For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
- For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
- Better wear protection
- Increased fuel efficiency
- Better protection of the expensive catalytic emission system
- Improved compatibility with fuels containing ethanol
- Superior corrosion protection
- Top quality synthetic base oils provide excellent cold flow and protection at all operating temperatures
- Robust detergents remove deposits and maintain engine cleanliness
- Greatly extends oil drain intervals
- Recommeded for engines specifying API service CI-4, CI-4 Plus, CJ-4, and CK-4
- Designed to deliver trouble-free, consistent performance
- Right for your vehicle and lifestyle
- Manufactured to meet or exceed strict quality requirements
- If you have any questions or need fitment information for your vehicle, please contact with us
- This item does NOT ship to residential, home business or farm addresses, please scroll down to confirm shipping details prior to purchase.
- Sinopec Diesel Engine Oil TULUX T700 Synthetic CK-4 is formulated using synthetic high viscosity index group 3 base oils and Superior low SAPS additive packages. It is the new generation of DEO to meet strict new emission, long life protection performance and fuel economy and environmental standards. Suitable for use in high speed, four-stroke heavy duty low-emission diesel engines fitted with exhaust after-treatment systems designed to meet Euro V and Euro VI exhaust emissions standards.
- Certifications: API CK-4, SN, ACEA E9 E7, Military Specification MIL-PRF2104K; ACEA E7-12; ACEA E9-12; Global Specification DHD-1; Caterpillar ECF-3; Cummins CES 20081, CES 20086; Detroit Diesel Power Guard Oil Specifications: DDC93K218 and DDC93K222; Deutz DQC III-10 LA; Ford WSS-M2C171-E, WSS-M2C171-F1; JASO DH-2; Mack EO-O Premium Plus, Mack EOS4.5; MAN 3275, MAN 3575; MB 228.31; MTU 2.1; Renault VI RLD-3, RLD-4; Volvo VDS 4, VDS 4.5; Navistar;
- Pack Size: 55 Gallon Drum (200L Volume)
Last update on 2022-09-10 / Affiliate links / Images from Amazon Product Advertising API
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- Brand Value: Every brand of 15w40 synthetic diesel oil has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an 15w40 synthetic diesel oil?
- Specifications: How powerful they are can be measured.
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- Customer Ratings: Number ratings grade 15w40 synthetic diesel oil objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 15w40 synthetic diesel oil.
- Product Quality: You don’t always get what you pay for with an 15w40 synthetic diesel oil, sometimes less, and sometimes more.
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