Diesel Engine Oil Reviews & Buying Guide 2019


Hello, I'm Gregor and I put this site together. At first, you'll find an overview of recommended diesel engine oils, followed by a public poll and a general buying guide on diesel engine oil. Further down on this page, we do link to other well-written articles and reviews about diesel engine oils. At last, you'll be able to weight in your own opinion in the comments section.

If you choose to buy an item that I've chosen indepenently and recommended it here, I may earn commissions to support my efforts. For you, the price of the product will not change, I'm just saying this to be completely open with you.

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The 10 Best Diesel Engine Oils of Our Choice

Quick comparison in an overall view
AI Innovations
Schaeffer Manufacturing Co
Shell Rotella T
Mobil 1
Royal Purple
Shell Rotella T
LUC10002 Lucas Heavy
1 Gallon
5W-40 Premium Blue
Schaeffer 9000-012 Supreme
Pack of 12
Fleet Supreme ESP 5W-40
Case of 4
Synthetic Blend
1-Gallon, Case of 3
400 SDE SAE 15W-40
Pack of 3
Mobil Super 96819 15W-40
Pack of 4
04154 / 300905
Case of 3
Triple Protection
5-Gallon Pail
Genuine Fluid XO-15W40-5QSD
AI Innovations LUC10002 Lucas Heavy Image
AI Innovations LUC10002 Lucas Heavy Duty Oil Stabilizer, 1 Gallon
Valvoline 5W-40 Premium Blue Image
Valvoline 5W-40 Premium Blue Extreme Synthetic Diesel Engine Oil - 1gal (Case of 3) (774038-3PK)
Schaeffer Manufacturing Co Schaeffer 9000-012 Supreme Image
Schaeffer 9000-012 Supreme Full Synthetic Diesel Engine Oil, 5W-40, 1 Quart (Pack of 12)
Triax Fleet Supreme ESP 5W-40 Image
Triax Fleet Supreme ESP 5W-40 Ultimate Full Synthetic - Friction Modified - API CK-4 Heavy Duty Diesel Engine Oil with Moly, Performance Boosted. (1 Gallon (Case of 4))
Shell Rotella T Synthetic Blend Image
Shell Rotella T5 Synthetic Blend 15W-40 Diesel Motor Oil (1-Gallon, Case of 3)
Delo 400 SDE SAE 15W-40 Image
Delo 400 SDE SAE 15W-40 Motor Oil - 1 Gallon Jug, (Pack of 3)
Mobil 1 Mobil Super 96819 15W-40 Image
Mobil Super 96819 15W-40 Delvac 1300 Motor Oil - 1 Gallon (Pack of 4)
Royal Purple 04154 / 300905 Image
Royal Purple 04154 / 300905 Duralec Super 15W40 CK-4 Motor Oil Synthetic - 1 gal. (Case of 3)
Shell Rotella T Triple Protection Image
Shell Rotella T4 Triple Protection 15W-40 Diesel Motor Oil (5-Gallon Pail)
Ford Genuine Fluid XO-15W40-5QSD Image
Ford Genuine Fluid XO-15W40-5QSD SAE 15W-40 Super Duty Diesel Motor Oil - 5 Quart Jug (3 PACK)
according to our criteria
90 %
in comparison
90 %
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89 %
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88 %
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87 %
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87 %
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86 %
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85 %
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83 %
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82 %
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  • The product is gal HD oil stabilizer
  • Easy to use
  • The product is manufactured in United States
  • Valvoline Premium Blue Engine oil is The Only One exclusively endor...
  • Superior synthetic base stocks provide faster safe starts during fr...
  • Enhanced protection against oil oxidation
  • New packaging coming Red bottles contain the same great product as ...
  • Improves engine durability without affecting fuel economy
  • Keeps engines cleaner: minimal sludge soot and carbon buildup
  • Unique Additive Technology for unsurpassed wear protection oxidatio...
  • Highest viscosity index any 5w-40 motor oil of any brand with excep...
  • Outstanding power-stroke performance Including 6.0 L turbo diesels:...
  • Triple Protection Plus technology protects against wear deposits an...
  • Helps control engine deposits for reliability at extended oil drain...
  • Formulated to control engine wear 37 better than the maximum wear r...
  • 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 a...
  • Reduced oil consumption
  • Superior low-temperature sludge control in stop-and-go service
  • Outstanding control of high-temperature deposits and oil oxidation
  • Better wear protection
  • Increased fuel efficiency
  • Better protection of the expensive catalytic emission system
  • Triple Protection from wear deposits and oil breakdown this convent...
  • Formulated with advanced additive technology which is engineered fo...
  • Provides increased shear stability for better viscosity control and...
  • High-quality diesel engine oil formulated with premium hydro proces...
  • It satisfies the warranty requirements of Ford Motor Company as wel...
  • It meets the requirements of international Cummins ces 20081 Volvo ...
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Results of the Straw Poll: Popular Diesel Engine Oils

Every month, we analyze which products our readers like the most:

Which Diesel Engine Oil Would You Buy Online? (August 2018)

  • 34.21 % (13 votes) Motul 007250 8100 X-cess 5W-40 Synthetic Gasoli...
  • 31.58 % (12 votes) Valvoline 5W-40 Premium Blue Extreme Synthetic ...
  • 15.79 % (6 votes) Mobil 1 98JE04 5W-40 Turbo Diesel Truck Synthet...
  • 13.16 % (5 votes) Schaeffer Manufacturing 9000-012 Supreme 9000 F...
  • 5.26 % (2 votes) REV X Stiction Fix Oil Treatment - Two 4 fl. oz...
  • 0 % (0 votes) Ford Genuine Fluid XO-15W40-5QSD SAE 15W-40 Sup...
  • 0 % (0 votes) Shell ROTELLA T6 5W-40 Full Synthetic Diesel En...
  • 0 % (0 votes) Royal Purple 05154 API-Licensed SAE 15W-40 High...

38 total votes.

If you also want to vote on the best diesel engine oil, click here to view the poll.

Diesel Engine Oil Buying Guide

Diesel Engine Oil Image
Picture: LUC10002 Lucas Heavy from AI Innovations

Diesel engine oil does not only power that big truck you saw on the road. Diesel engine oil is used in a lot of different motors for machines in your factory, for your large lawnmower, for that converted school bus you own, and for the diesel generator you have in the basement. There are a lot of people who need to purchase this type of oil to care for their machines, and they have a few things to consider before making that purchase.

1. What Does Diesel Oil Do?

Diesel oil is the product that helps lubricate an engine that is run on diesel fuel. Diesel fuel is something that you need to use in Diesel engines, and you must remember that these engines work differently from the unleaded engine in your car. All the engines are put together in different ways, and Diesel engine oil has to be made at a different level of viscosity. If you have not chosen the right kind of diesel oil, you will notice that the engine does not run efficiently. You will have a lot more breakage in the system, and you have to use a lot more of the oil because it is so much more necessary in the tight construction of a Diesel engine.

2. Engine Specific Oils

Engine specific oils are made by companies the world over. They make an oil that they know is perfect for their engines, and they usually use these oils because they want to have the best performance from the engine. You are practically guaranteeing that your engine will run well when you have used the right kinds of oil, and you should see if the manufacturer has an oil you could use.

3. The Grade

Diesel oil grades are not any different from the oil grades that you see for unleaded engines. However, the oil grades will let you know what kind of engine the oil could be used in. You have to pick the oil that was graded for the engine you have, and you have to be careful because Diesel engines for generators and factory machines are different from engines that you see in big trucks. You should see if there is an oil that will actually fit an engine of your size, and you might also want to pick the oil made for the amount of use that you get out of a machine. Someone who uses a machine rarely might need a different oil than someone who turns that machine on every day when they get to work.

4. The Volume

You could buy oil in large volumes for your machines, and you have to see if there is a bulk order option for that oil. You might have oil fed into the device at all times, and you need to remember that you can pour in the oil any time that they want. You must see if the company will sell you the amount that you need, and you might need to ask them for a value price.

5. How Do You Store Diesel Engine Oil?

You must store Diesel engine oil in a safe and dry place. You have to keep it away from flames, and you have to keep the oil in closed containers. You cannot leave it open, and you cannot keep the oil in a humid space. You also have to remember that you can use the diesel engine oil at any time because it has been closed. These oils will last forever because they have been refined to such a point that they will not go bad on you. The storage container that you get for engine oil, and you must remember that you could use the storage container for years at a time. However, you need to see if the companies that sell this oil also has a container that you can keep it in. You might want to know that you can get a container before you spend all your money on oil that you know needs to be kept hidden away until it is needed.

6. Diesel Engine Oil Testimonials

You have to look into the Diesel engine oil testimonials that are posted online that could give you an idea of the quality of the product. Someone who is trying to pick the right product will really do their research into what customers want, and there are a lot of people who have written about these things. This means that you will know what you are getting out of the oil, and you will not have problems with the oil because you found what you needed.

7. How Long Should Diesel Engine Oil Last?

The oil itself should last for a very long time, but it all depends on the heat inside the engine. Some engines are running so hot that they will burn through oil so much faster. You have to pick the oil that will work in hot engines if you know that your engine will burn up the oil that much quicker. You might need to pick an oil that was made just for these engines, and you should see if you can use the oil to make your life a little bit simpler. You might even get more life out of the engine because you are using an oil that was made for that engine that runs so hot.

8. The Diesel Engine Oil Must Be Sold In Approved Containers

You must find the diesel engine oil that has been sold in Approved containers you are looking for. You have to remember that you can pick the right oil without any trouble, and you have to see if there is a company that sells the oil in the container that you need. You have to remember that you can get the oils in containers that come with spouts that make them easier to pour. You should have a look at what can be done to get the right container, and you must find companies that make the best storage containers for the oils you use.

9. Connections

The connections that you make to the oil containers could be used with the tube that connects to the engine. It is very simple for you to use the tub with the tube, and you must buy from a company that has made their products to fit into your needs. You have to see if the connections that you make with these oil containers are safe, and some companies do this better than others.

10. The Price

You have to seek out the oil that is the best price for you. You have to see if you can find a company that will give you the best value possible. You must search for the pricepoint that you are happy with, and you need to know if you can get that price over and over. You will notice that you can get the same oil over and over at the price that you want. You also need to remember that these companies have sales, and you should search for their sales so that you can save money.

11. Conclusion

The diesel engine oil that you are looking for will help you have the best and smoothest-running engine. You need oil for the devices that you run every day, and you must see if you can get something that will be right for you. You must check the grade of the oil, how much you can get, and what sort of engine it is made for. Each person who shops for these oils must look into the ways that they can make their engines run well. These oils are easy to buy, and they are available online for all to purchase.

Your Opinion Matters!


Diesel Engine Oil Reviews & Additional Articles

New: Our editorial list of additional articles. We decided to gather informartion all around the internet and present you a list of helpful, external links to interesting reads about the best diesel engine oils and their reviews and guides.

Buying Guide A simple buying guide that explains the basics of car engine oil: Need or want to CD - Introduced 1955, international standard for turbo diesel engine oils for  ...
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Buying Guide We have presented here a buyer's guide that you may use in choosing the best diesel engine oil for your car. One thing more discovers here the 5 top brands. ...
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Buying Guide If this is your first time to buy oil for your car's engine, chances are you'll be . Given that diesel-rated engine oils have higher SAE ratings and  ...
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Buying Guide Your Guide to Servicing: Choosing Car Engine Oil so utterly bewildering, Rob Marshall advises on the importance of buying the correct engine lubricant. IS A PETROL OR DIESEL ENGINE OIL TOP-UP NECESSARY? ...
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Best What is the best synthetic oil for a diesel engine? It is but natural that after spending so much for your car, you strive to prolong its life with regular maintenance  high mileage diesel oilwhat kind of oil to use in a diesel enginebest synthetic engine oil for diesel carsPeople also search for ...
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Buying Guide "Would you recommend a 5W-40 or 15W-40 diesel lubricant for a tropical weather country? Would 5W-40 be less viscous compared to 15W-40 diesel engine oil  ...
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The Diesel Engine Oils of Our Choice At a Glance

You're not convinced by the previous writings about diesel engine oils? Of course you can just choose by visual impression, that's why we present you all our chosen products at a single glance. A click on any image is enough to open an external link to the best offer we could find.

Tips from YouTube about Diesel Engine Oil

Today - Best Diesel Engine Oil 2018

Click here -- smartreviewed.com Are you looking for the Best Diesel Engine Oil. We spent hours to find out the Best Diesel Engine ...

Disclaimer: This video is not from us, but we found it relevant enough to show it here.


Conclusion for this Diesel Engine Oil Buying Guide in July 2019

Finally, we want to present you our rating criteria for our diesel engine oil comparison, so you can better understand and comprehend our recommendations and the rating process itself. Furthermore, we still ask you to keep your eyes open for short term deals in order to make some great bargains with diesel engine oil in 2019.

Published by on StrawPoll.com (last update on ).


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