Best diesel engine oil [Buying Guide]

Are you sick of seeking the best diesel engine oil? You are at the best place to find it.

Here at ReviewCity.club we realize that choosing a diesel engine oil is a difficult task.

For this reason, we try to help you make the best choice by gathering information, trying out, and writing our reviews.

Last updated on January 23, 2021 10:14 am

Due to the extensive study, we selected tiptop brands and we compiled a list of the top diesel engine oil on the market.

Our best pick is Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (2.5 Gallon, Single Pack). Nonetheless, all of the items we listed are of solid quality.

View the comparison table we made for you and read below to see what we found out when we looked through the best 10 diesel engine oil.

Best diesel engine oil Reviewed

Here you can find the detailed reviews.

Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (1-Gallon, Case of 3)

$78.99  in stock
11 new from $78.99
Buy Now
Amazon.com
as of January 23, 2021 10:14 am

Features

  • Provides 1. 5% improved fuel economy performance compared to SAE 15W-40 oils
  • Triple Protection Plus formula combines fully synthetic base oils with advanced additives for excellent equipment protection and long engine life
  • Formulated with additive technology that protects against the effects of soot, dirt and other contaminants
  • Engineered with shear stability to resist viscosity loss and maintain optimal engine oil pressure
  • Suitable for diesel-powered vehicles from tractor/trailers to classic cars and heavy-duty diesel pickups that allow an SAE 5W-40

Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (2.5 Gallon, Single Pack)

$69.99
$46.95  in stock
21 new from $46.18
Free shipping
Buy Now
Amazon.com
as of January 23, 2021 10:14 am

Features

  • 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 particulate 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
  • Provides outstanding protection for virtually all heavy duty diesel engines, including the latest emission controlled engines using EGR and containing a Diesel Particulate Filter

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

$53.42  in stock
10 new from $53.42
Free shipping
Buy Now
Amazon.com
as of January 23, 2021 10:14 am

Features

  • Triple Protection Plus technology protects against wear, deposits and oil breakdown plus provides better low temperature flow compared to SAE 15W-40 oils
  • Helps control engine deposits for reliability at extended oil drain intervals
  • Formulated to control engine wear, 37% better than the maximum wear requirements in API CK-4 engine wear tests
  • Heavy duty engine oil formulated with synthetic base oil components
  • Delivers improved oxidation performance for increased resistance to breakdown under high temperatures compared to the previous formulation

Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)

$65.94  in stock
5 new from $65.94
Free shipping
Buy Now
Amazon.com
as of January 23, 2021 10:14 am

Features

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • Provides 1. 5% improved fuel economy performance compared to SAE 15W-40 oils
  • Triple Protection Plus formula combines fully synthetic base oils with advanced additives for excellent equipment protection and long engine life
  • Formulated with additive technology that protects against the effects of soot, dirt and other contaminants
  • Engineered with shear stability to resist viscosity loss and maintain optimal engine oil pressure

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

$469.00  in stock
1 new from $469.00
Buy Now
Amazon.com
as of January 23, 2021 10:14 am

Features

  • 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 20078/20077/20076, Volvo VDS-3/VDS-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 T5 Synthetic Blend 10W-30 Diesel Engine Oil (1-Gallon, Single Pack)

$17.82  in stock
8 new from $17.82
1 used from $15.12
Free shipping
Buy Now
Amazon.com
as of January 23, 2021 10:14 am

Features

  • Advanced low-ash formulation which helps control blocking of or poisoning of exhaust after treatment devices
  • Rotella T5 use of synthetic base oil components provides the capability to improve cold starting and reduce fuel consumption and save money, without compromising engine protection or durability
  • Rotella T5 advanced formulation delivers good engine cleanliness and protection against piston deposits ensuring engine and component reliability at extended oil drain intervals
  • Shell Rotella T5 meets the requirements of the major US and European engine manufacturers for low emission applications

Valvoline - 773780 Premium Blue SAE 15W-40 Diesel Engine Oil 1 GA, Case of 3

$59.49  in stock
11 new from $59.47
Free shipping
Buy Now
Amazon.com
as of January 23, 2021 10:14 am

Features

  • 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

Schaeffer Manufacturing Co. 9000-012 Supreme Full Synthetic Diesel Engine Oil, 5W-40, 1 Quart (Pack of 12)

$139.49  in stock
2 new from $139.49
Buy Now
Amazon.com
as of January 23, 2021 10:14 am

Features

  • New packaging coming! Red bottles contain the same great product as the black bottles.
  • Improves engine durability without affecting fuel economy.
  • Keeps engines cleaner: minimal sludge, soot and carbon buildup.
  • Friction modified with Micron Moly and Penetro to reduce friction, wear and scuffing.
  • Resists thinning at high temperatures

Delo 400 SDE SAE 15W-40 Motor Oil - 1 Gallon Jug, (Pack of 3), 222290388

$69.99
$47.19  in stock
11 new from $25.00
Buy Now
Amazon.com
as of January 23, 2021 10:14 am

Features

  • 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

Valvoline - 774038 Premium Blue Extreme SAE 5W-40 Full Synthetic Engine Oil 1 GA, Case of 3

$54.77  in stock
9 new from $44.68
Free shipping
Buy Now
Amazon.com
as of January 23, 2021 10:14 am

Features

  • “The Only One“ endorsed and recommended by Cummins
  • Superior synthetic base stocks provide faster, safe starts during freezing weather and enhanced thermal properties for hot weather operations
  • Outstanding oxidation resistance supports long oil life in heavy duty engines
  • Superior wear protection for hardworking heavy-duty trucks and equipment

In this article, we have reviewed the best diesel engine oil for you. We hope that you get the most suitable diesel engine oil from our list. If we didn’t manage to assist you with the process of choosing the right thing for your needs, e-mail us.