Product Tested

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WalMart Stores Inc

Company and Product Information

Corporate Office:
Walmart Stores, Inc. (Walmart)
702 SW 8th Street
Bentonville, AR 72716

Website(s): www.walmart.com

With 11,450 stores worldwide, (4,516 in the U.S.), Walmart is the world's largest retailer. The company operates through three segments, including, Walmart U.S., Walmart International, and Sam’s Club. The company reported total revenues of $482.2 billion for the fiscal year ending 1-1-2015. 

In addition to selling a wide variety of food, beverages, clothing, health and beauty aids, electronics and many other household products, Walmart sells automotive products. These products include a number of major and independent motor oil brands, as well as Walmart’s “SuperTech lubricant brand.


The Petroleum Quality Institute of America (PQIA) is an independent resource for information and insights on the quality of lubricants in the marketplace. Our mission is to serve the consumer of lubricants by randomly sampling and independently testing lubricants taken from the field. Test results are posted along with the brand names on the PQIA website. This webpage provides an analysis on the brand detailed below.

The following are the test results for the sample examined.

SuperTech Heavy Duty
SAE 15W-40 Motor Oil

Product: SuperTech
Viscosity Grade: SAE 15W-40
Labeling: API CJ-4/SN

Marketed by: Walmart Stores Inc, Bentonvillle, AR

Purchased at: Edison, NJ

Date of purchase: 8-10-2016


Website(s): www.walmart.com

Test Results and Assessment:

The results of the tests conducted on this sample meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories.

bottle icon Physical Properties pass
Elemental Analysis pass
Labeling warning

Note: Although laboratory tests alone cannot be used to establish if engine oil meets an API Service Category, they can be used to determine if it doesn't.

PHYSICAL TESTS (click for test details) - a Standard SuperTech
TBN, mg KOH/g (ASTM D2896) 9.58
Viscosity @ 100ºC, cSt (ASTM D445) 12.5 to <16.3 14.98
Viscosity @40ºC, cSt (ASTM D445) 112.87
Viscosity Index (ASTM D2270) 138
Viscosity @-20ºC mPa s (cP) (ASTM D5293) 7,000 Max 5,785
Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800) 13 Max -c 11.3
ELEMENTAL ANALYSIS (click for test details) - a, b
Calcium 1,249
Magnesium 858
Phosphorus, ppm 1,250 Max 1,169
Zinc, ppm 1,298
Molybdenum,  ppm 47
Barium, ppm <1
Boron, ppm <1
Silicon, ppm 8
Potassium, ppm <5
Manganese, ppm <1
Titanium, ppm <1
Copper, ppm <1
Sodium, ppm <5
Vanadium, ppm <1
Silver, ppm <1
Aluminum, ppm 1
Chromium, ppm <1
Iron, ppm <1
Nickel, ppm <1
Lead, ppm <1
Antimony, ppm <1
Tin, ppm <1
  1. Standards, shown in yellow are established by API, SAE and others.
  2. Test Method for metal analysis is ASTM D5185.
  3. This specification is expressed to two significant figures, therefore results up to 13.5 are considered on specification.