Product Tested

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Blain's Farm & Fleet

Company and Product Information

Corporate Office:
Blain's Farm & Fleet
2421 Old Humes Road
Janesville, Wisconsin


Founded in 1955, Blain's Farm & Fleet is a regional chain of 37 retail stores in Wisconsin, Illinois, and Iowa. Each retail store is a division of one of the Farm and Fleet Corporations. Distribution is handled by Blain Supply Company.

The stores sell tires, agricultural supplies and equipment, hunting and fishing equipment, kitchen appliances, housewares, clothing, sporting goods, tools, automotive products, pet supplies, and other products.


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.

Blain's Farm & Fleet Diesel Engine Oil 15W-40

Product: Blain's Farm & Fleet Diesel Engine Oil
Viscosity grade: SAE 15W-40
Labeled: API CJ-4, CI-4 Plus, CH-4/SL

Marketed By: Blain Supply, Inc.

Purchased at: Bourbonnais, IL

Date of purchase: 1-15-2015


Website(s): www.farmandfleet.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 Blain's
TBN, mg KOH/g (ASTM D2896) 9.7
Viscosity @ 100ºC, cSt (ASTM D445) 12.5 to 16.3 15.7
Viscosity @40ºC, cSt (ASTM D445) 115.5
Viscosity Index (ASTM D2270) 143.0
Viscosity @-20ºC mPa s (cP) (ASTM D5293) 7,000 Max 5371
Volatility, mass % loss, 1 hr, @ 250ÂșC (ASTM D5800) 13 Max -c 11.1
ELEMENTAL ANALYSIS (click for test details) - a, b
Calcium 1211
Magnesium 861
Phosphorus, ppm 1,250 1157
Zinc, ppm 1280
Molybdenum,  ppm 44
Barium, ppm <1
Boron, ppm 6
Silicon, ppm 7
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 15.5 are considered on specification.