Product Tested

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Love's Travel Stops & Country Stores, Inc.

Company and Product Information

Corporate Office:
10601 N Pennsylvania Ave.
Oklahoma City, OK 73120


Founded in 1964 by Tom Love, Love’s Travel Stops & Country Stores is headquartered in Oklahoma City, Okla., and remains entirely family-owned and operated.

With 320 locations and more than 190 Love’s a Tire Care centers in 39 states, Love’s is currently ranked No. 9 on Forbes Magazine’s annual listing of America’s Largest Private Companies. 


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.

Love's SAE 15W-40
Meets all API CJ-4 Standards

Product: Love's Motor Oil for Diesel Engines
Viscosity grade:SAE 15W-40
Labled: API CJ-4/SM

Distributed By: Love's Travel Stops & Country Stores Inc.

Purchased at: Pittsboro, IN

Date of purchase: 1/5/2015


Website(s): www.loves.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 Love's
TBN, mg KOH/g (ASTM D2896) 9.5
Viscosity @ 100ºC, cSt (ASTM D445) 12.5 to <16.3 15.4
Viscosity @40ºC, cSt (ASTM D445) 114.5
Viscosity Index (ASTM D2270) 141.0
Viscosity @-20ºC mPa s (cP) (ASTM D5293) 7,000 Max 5217
Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800) 13 Max -c 12.5
ELEMENTAL ANALYSIS (click for test details) - a, b
Calcium 1169
Magnesium 822
Phosphorus, ppm 1,249 1095
Zinc, ppm 1232
Molybdenum,  ppm 50
Barium, ppm <1
Boron, ppm 10
Silicon, ppm 5
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.