Skip to content

The Best synthetic diesel oil 15w40 of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best synthetic diesel oil 15w40 of 2022. Check our ranking below.

2,292 Reviews Scanned

Rank No. #1
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
Rank No. #2
15W40 CK-4 Synthetic Diesel Engine Oil - 55 Gallon Drum
  • 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)
SaleRank No. #3
Shell Rotella T5 Synthetic Blend 15W-40 Diesel Motor Oil (1-Gallon, Single-Pack)
  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • Advanced low-ash formulation helps control the blocking or poisoning of exhaust after treatment devices, helping maintain vehicle emission compliance and engine fuel efficiency.
  • Synthetic base oil components provides the capability to improve cold starting and low temperature performance reduce fuel consumption
  • The Advanced formulation delivers good engine cleanliness and protection against piston deposits ensuring engine and component reliability at extended oil drain intervals.
  • Rotella T5 meets the requirements of the major US engine manufacturers for low emission applications.
Rank No. #4
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
Rank No. #5
Hot Shot's Secret Green Diamond 100 Percent Synthetic 15W40 Oil Diesel 1 Gallon
  • Hot Shot's Secret Green Diamond uses a unique blend of Group III base oils to improve your engine's fuel economy by up to 3 percent; specialized blend gives Green Diamond formula excellent viscosity and reduces friction
  • By improving fuel economy and reducing wear, Green Diamond Fleet Oil lowers your engine's overall fuel consumption by up to 78 percent compared to CJ-4 spec oils
  • Compared to CJ-4 spec oils, Green Diamond Fleet Oil reduces wear and tear on your engine's components by 71 percent; synthetic oil product keeps your engine free from scarring so it can run like new
  • Green Diamond Fleet Oil uses patented FR3 nanotechnology lubrication with CK4 Additive packaging to keep your oil clean and increase your horsepower; 15W-40 engine oil excels in vehicles subjected to demanding operating conditions
  • Patented FR3 nanotechnology gets into the fine crevices of your engine to create smooth, slick surfaces that minimize metal-on-metal contact for the longest possible service life
Rank No. #6
TRIAX Fleet Supreme 15W-40 API CK-4, Full Synthetic Diesel Engine Oil, Friction Optimized and Boosted with Molybdenum & Nano-Boron, Superb Powerstroke Performance (5 Gallon Pail)
  • 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.
Rank No. #7
Lucas Oil 11247 Synthetic SAE 15W-40 CK-4 Diesel Oil - 1 Gallon (Pack of 4)
  • Full Synthetic Formula
  • Improved Oxidation Resistance
  • Supports DPF and DEF Technologies
  • Formulated for ULS Diesel Fuel
  • Excellent Soot Control
SaleRank No. #8
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
SaleRank No. #9
Chevron Delo 400 XLE SAE Synblend Synthetic Blend Oil 15W40, 1 Gallon, Case of 3
  • A premium synthetic blend, long drain mixed-fleet engine oil specifically formulated for on- highway applications, including 2017 greenhouse gas (GHG 17) compliant diesel engines
  • Isozyme Advanced Technology: The Next Generation of Heavy Duty Engine Oil Chemistry - engineered to deliver longer oil life, better wear protection and longer engine life
  • Isoclinal: Certified clean - ensure your lubricants meet OEM cleanliness requirements to help you minimize downtime, reduce maintenance costs and extend equipment life
  • Provides high performance piston deposit control and turbocharger protection due to its superb oxidation performance. Its high performing detergent and dispersant additives provide excellent diesel engine component protection.
  • Exceptional soot dispersancy and wear control - Cylinders, pistons, rings, and valve train components are well protected against wear and corrosion, providing optimum service life and minimal maintenance, contributing to maximum equipment utilization and minimal downtime.
SaleRank No. #10
Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Single Pack)
  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • Formulated for enhanced deposit protection to help keep engines cleaner over the oil drain interval
  • Exclusive low ash formulation helps protect the exhaust catalysts and particulates filters found on the latest low emission vehicles
  • Meets or exceeds API CJ-4 requirements, and is designed to provide extra performance Shell Rotella T4 performs well in both older and new engines
  • Enhanced shear stability performance for viscosity control and optimal oil pressure in your engine

Last update on 2024-04-16 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best synthetic diesel oil 15w40?

Do you get stressed out thinking about shopping for a great synthetic diesel oil 15w40? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching synthetic diesel oil 15w40, which is why we have assembled a comprehensive list of the greatest synthetic diesel oil 15w40 available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for synthetic diesel oil 15w40 that you consider buying. Your questions might include the following:

  • Is it worth buying an synthetic diesel oil 15w40?
  • What benefits are there with buying an synthetic diesel oil 15w40?
  • What factors deserve consideration when shopping for an effective synthetic diesel oil 15w40?
  • Why is it crucial to invest in any synthetic diesel oil 15w40, much less the best one?
  • Which synthetic diesel oil 15w40 are good in the current market?
  • Where can you find information like this about synthetic diesel oil 15w40?

We’re convinced that you likely have far more questions than just these regarding synthetic diesel oil 15w40, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for synthetic diesel oil 15w40, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible synthetic diesel oil 15w40. Make sure that you are only using trustworthy and credible websites and sources.

We provide an synthetic diesel oil 15w40 buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available synthetic diesel oil 15w40 currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of synthetic diesel oil 15w40 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.
  2. Features: What bells and whistles matter for an synthetic diesel oil 15w40?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your synthetic diesel oil 15w40.
  5. Customer Ratings: Number ratings grade synthetic diesel oil 15w40 objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their synthetic diesel oil 15w40.
  7. Product Quality: You don’t always get what you pay for with an synthetic diesel oil 15w40, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an synthetic diesel oil 15w40 is should be an indication of how long it will work out for you.

We always remember that maintaining synthetic diesel oil 15w40 information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding synthetic diesel oil 15w40 is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

Related Post: