Product Tested

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Wolf's Head Motor Oil Company

Company and Product Information

Corporate Office:
Wolf's Head Motor Oil Company
1601 McCloskey Blvd.
Tampa, FL 33605

Website(s): www.wolfshead.com

The Wolf’s Head brand name has been in the market for close to a century with roots in Pennsylvania crude. Whereas the trademark was originally registered to Pennzoil in 1976, it is now registered to Amalie AOC. LTD in Tampa Florida.

Wolf's Head Extreme-Duty
SAE 15W-40 Synthetic Blend Motor Oil

Product: Wolf's Head Synthetic Blend
Viscosity Grade: SAE 15W-40
Labeled: CK-4, CJ-4, CI-4 PLUS, CI-4, CH-4/SN

Marketed By: Wolf's Head Oil Company, Tampa, FL
Manufactured By: AOC Oil, Inc., Tampa, FL

Purchased at: Brighton, PA

Date of purchase: 10/5/2018

 

Website(s): www.wolfshead.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
Viscosity @ 100°C, cSt (ASTM D445)

The results of the Kinematic Viscosity @ 100ºC test conducted on this sample meet the requirements of SAE J300.
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Cold Cranking Viscosity, mPa s (cP) (ASTM D5293)

The results of the Cold Cranking Viscosity test conducted on this sample meet the requirements of SAE J300.
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Phosphorus, ppm (ASTM D5185)

The results of the Phosphorus test conducted on this sample meet the requirements of API SN/ILSAC GF-5.
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Note1: 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. Note2: The specification for cold cranking viscosity includes only a maximum value; the minimum value shown in the “standard” area of the chart is truncated for illustrative purposes.

PHYSICAL TESTS (click for test details) - a Standard Wolf's Head
TBN, mg KOH/g (ASTM D2896) 8.94
Viscosity @ 100ºC, cSt (ASTM D445) 12.5 to <16.3 15.6
Viscosity @40ºC, cSt (ASTM D445) 113
Viscosity Index (ASTM D2270) 146
Viscosity @-20ºC mPa s (cP) (ASTM D5293) 7,000 Max 5,882
ELEMENTAL ANALYSIS (click for test details) - a, b
Additives
Calcium, ppm 1,085
Magnesium, ppm 1,039
Phosphorus, ppm 1,200 Max-c 1,098
Zinc, ppm 1,239
Molybdenum,  ppm 72
Barium, ppm <1
Boron, ppm <1
Silicon, ppm 6
Potassium, ppm <1
Manganese, ppm <1
Titanium, ppm <1
Copper, ppm <1
Sodium, ppm 1
Vanadium, ppm <1
Contaminants
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 one significant figure, therefore results up to 1,249 are considered on specification.