Top 8 15w40 Synthetic Blend – Motor Oils

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1. Shell Rotella


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

Shell Rotella #ad - Ideal for on-highway fleets, and agricultural machinery, construction, and diesel pickup trucks — including high-power vehicles that require resistance to heat and stress.

Improved oxidation performance for increased resistance to oil breakdown under high temperatures compared to the previous formulation. Case of three 1-gallon bottles with ergonomic design for easy handling and pouring. Improves low-temperature flow compared to conventional 15W-40 oils. Synthetic blend 15w-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown. Controls engine wear 37 percent better than the maximum wear requirements in API CK-4 engine wear tests. Helps control engine deposits for reliability at extended oil drain intervals always follow the OEM recommended oil drain interval.
BrandShell Rotella #ad
ManufacturerShell Rotella #ad
Weight24 Pounds
Part Number550045348-3PK
WarrantySee manufacturer's label

2. Chevron


1 Gallon, Case of 3, Chevron Delo 400 XLE SAE Synblend Synthetic Blend Oil 15W40

Chevron #ad - 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. 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. 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.

Exceptional soot dispersancy and wear control - Cylinders, providing optimum service life and minimal maintenance, and valve train components are well protected against wear and corrosion, pistons, rings, contributing to maximum equipment utilization and minimal downtime.
BrandChevron #ad
ManufacturerChevron #ad
Height12.89 Inches
Length14.1 Inches
Weight24 Pounds
Width8.44 Inches
Part Number257004388
WarrantySee manufacturer's warranty

3. Triax


DD 5 Gallon Pail, OEM Compatible with Volvo, Heavy Duty Diesel Engine Oil, Moly and Boron Performance Boosted, Cummins, Mack, Triax Fleet Ultra ESP 15W-40 API CK-4 Licensed Synthetic Blend

Triax #ad - This product is backwards compatible with virtually all heavy-duty diesel engines from all years on both US, CI-4, Japanese and European heavy-duty trucks and equipment including previous CJ-4, and CI-4 Plus specifications.

Api licensed synthetic blend product for the latest API CK-4 New CK-4 spec. Drain capabilities exceed 12, 0000 miles for class 8 highway trucks, 000 miles for farm trucks, 65, 000 miles for in city, and 40, mixed traffic heavy-duty diesel trucks. Contains built-in performance boosters for friction reduction, oxidation inhibition, shear, and viscosity stability. Nano borate and organic molybdenum reinforced for outstanding wear reduction and heat management; eliminates stiction and injector issues; frees most stuck piston rings; contains state-of-the-art dispersal and ash control systems to keep your engine extremely clean.
BrandTriax #ad
Height15 Inches
Length12.4 Inches
Weight38 Pounds
Width12.4 Inches
Part NumberTRXULT1540CK

4. Chevron


Delo 400 SDE SAE Conventional Heavy Duty Diesel Engine Oil 15W-40,1 Gallon, Pack of 3

Chevron #ad - Provides outstanding performance with ultra-low sulfur diesel and also with normal and low sulfur diesel fuels. Premium quality heavy duty motor oil manufactured in the USA. Formulated with ISOSYN technology. Formulated to meet the requirements of post-2007 low emission engines. May be used in older conventional engines and gasoline engines.
BrandChevron #ad
ManufacturerDelo #ad
Height8.4 Inches
Length13.6 Inches
Weight24.15 Pounds
Width12.4 Inches
Part Number222290388
WarrantyDelo 400

5. Ford


Oil, Ford MOTORCRAFT, Engine XO5W205Q3SP

Ford #ad - Leading manufacturer Of High-Quality Products. Constantly modernizing our Powerful Devices To Meet The Demands Of The Modern User. Fully equipped with State-Of-The-Art Technology. International renown For Our Diverse Range Of Award-Winning Products. All products have been Designed With The Professional In Mind.
BrandFord #ad
ManufacturerFord #ad
Height4.5 Inches
Length20 Inches
Weight9.35 Pounds
Width8.5 Inches
Part NumberXO-5W20-5Q3SP
WarrantyFord Limited Warranty

6. Triax


Friction Optimized and Boosted with Molybdenum and Nano-Boron, Superb Powerstroke Performance 1 Gallon, Triax Fleet Supreme ESP 15W-40 API CK-4 Full Synthetic Diesel Engine Oil

Triax #ad - Build in friction modifiers - crp organic metallic moly plating technology for unsurpassed wear protection, oxidation, and high temp stability. New ck-4 spec and full compatible with all types of diesel engines. High tbn - inorganic, 000 for class 8 semi-trucks.

For use in virtually all diesel-powered pickups and heavy-duty trucks, both pre-2007 and post 2007 models fitted with emission control systems such as DPF, SCR, DOC.60% lower wear than leading industry ZDDP products. Class 8 highway trucks regularly surpass 80, 000 mile drain interval for pickups and 80, slow depleting TBN. Un-matched turbocharger protection - It will not create deposits and ash on turbo bearings will not fry on the turbo. Low ash formulation.

Eliminates the need to clean the diesel particulate filters. This effectively doubles the life of diesel turbochargers. Outstanding powerstroke engine performance including 6. 0 l turbo diesel - eliminates stiction and injector issues that plague Power-stroke engines - No need for additional additives - Contains state-of-the-art dispersal and ash control systems to keep your engine extremely clean. Extreme drain capable: 25, 000 miles use oil analysis.
BrandTriax #ad
ManufacturerTRIAX LUBRICANTS #ad
Height10.5 Inches
Length4.8 Inches
Width7.8 Inches
Part NumberF946

7. Shell Rotella T


Rotella T4 15w40 Heavy Duty Motor Oil, 1 Gallon Bottles, 6 Pack

Shell Rotella T #ad - Heavy-duty diesel engine oil. Helps keep moving metal engine surfaces apart for long life. Protects against corrosion as fuel burns and oil ages. Keeps engine clean for optimum performance.
BrandShell Rotella T #ad
ManufacturerRotella #ad
Part Number550045129

8. Mobil 1


Mobil 1 112786 Delvac 1300 Super 15W-40 Diesel Engine Oil, 4 Gallon Pack

Mobil 1 #ad - For usediesel engines requiring 15w-40 engine oil referbottle for specifications. Extends engine life with its unique additive system. Size: 1 Gallon. Type: 15w - 40 .
BrandMobil 1 #ad
Height12.1 Inches
Length10.8 Inches
Width16 Inches
Part NumberMOB1304G