Top 10 Shell 15W40 Motor Oils
for March 2023

MOOZ's editors independently choose recommendations. Purchases made through our links may earn us commissions.

1
9.9
SCORE
Shell Rotella 15W40 Motor Oil (Gallon)

Shell Rotella 15W40 Motor Oil (Gallon)

by Valvoline Oil Co.
What We like

Protects under the most severe engine conditions found in modern low-emission engines and older hard working diesel engines

2
9.8
SCORE
Shell Rotella - 550050319 Gas Truck Full Synthetic 5W-30 Motor Oil for Pickups and SUVs (5-Quart, Pack of 1)

Shell Rotella

by Shell
What We like

Provides extreme protection for hauling and towing

3
9.4
SCORE
Shell Rotella T - 550045348 5 Synthetic Blend 15W-40 Diesel Motor Oil (1-Gallon, Single-Pack)

Shell Rotella T

by Rotella
What We like

Synthetic base oil components provides the capability to improve cold starting and low temperature performance reduce fuel consumption

4
9.4
SCORE
Formula Shell Conventional 10W-40 Motor Oil (5 Quart, Single Pack)

Formula Shell Conventional 10W-40 Oil Motor (5 Quart

by FormulaShell
What We like

Provides engine protection and performance required by modern engines

5
8.8
SCORE
Rotella T4 15w40 Heavy Duty Motor Oil - 1 Gallon Bottles - 6 Pack

Shell Rotella T Rotella T4 Heavy 15w40 Duty Motor Oil

by Rotella
6
8.7
SCORE
Shell Rotella T5 Synthetic Blend 10W-30 Diesel Engine Oil (1-Gallon, Single Pack)

Shell Rotella T5 Synthetic Blend Diesel 10W-30 Engine Oil (1-Gallon

by Rotella
What We like

Shell Rotella T5 meets the requirements of the major US and European engine manufacturers for low emission applications

7
8.7
SCORE
Motul 300V Synthetic Motor Oil - 15W50 - 4 Liter 836241

Motul 300V Synthetic Motor Oil

by Motul
What We like

Double ester technologys two types of esters provide excellent lubricity, better engine response and maximum engine RPM

8
7.2
SCORE
Valvoline Premium Blue Extreme SAE 5W-40 Full Synthetic Diesel Engine Oil 1 GA, Case of 3

Valvoline Premium Blue Extreme SAE 5W-40 Synthetic Full Diesel Engine Oil 1 GA

by Valvoline
What We like

Outstanding oxidation resistance supports long oil life in heavy duty engines

9
7.2
SCORE
Shell Rotella T4 Triple Protection Conventional 10W-30 Diesel Engine Oil (1-Gallon, Case of 3)

Shell Rotella T4 Triple Protection 10W-30 Conventional Diesel Engine Oil (1-Gallon

by Rotella
What We like

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

10
7.2
SCORE
Sinopec Tulux T500 15W40 Classic Diesel Engine Oil - 55 Gallon Drum (1)

Sinopec Tulux T500 15W40 Diesel Classic Engine Oil

by Red Drum
What We like

Pack Size: 55 Gallon Drum (200L Volume)

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