February, 2013

Automatic Transmission FLuids

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Automatic transmission fluids (ATF) are used in the transmissions of passenger cars, trucks, construction equipment, and other mobile equipment. In addition, ATF finds use in such non-transmission applications, as hydraulic systems, compressors, power steering, and others. 

 

There are numerous types of ATF, including, Dexron II, Dexron III, Type F, Mercon, Mercon V, Chrysler 7176 and several varieties of Chrysler ATF-Plus.



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Automatic transmissions are very sensitive to the types of ATFs used. Use of the wrong fluid, can cause transmission problems. Always read THE OWNER'S MANUAL! Valvoline MAXLife ATF AutoExtra ATF NAPA  ATF Advantage ATF LUKOIL ATF
             
PHYSICAL TESTS (click test for details) Standards/ranges-a          

Brookfield Viscosity @ -40C, cSt

20,000 cP Max 11,560  15,940  16,160  17,860  16,280 

Kinematic Viscosity @ 100C, cSt

6.8 cSt Min 6.0 7.4  7.0  7.6  7.2 

Kinematic Viscosity @ 40C, cSt

34.00 28.0  35.7  35.0  38.0  35.1 
Flash Point C (ASTM D92) 170/177C min-b 233  213  207  209  209 
Viscosity Index 182 169  180  166  173  175 
 
Additives          
Calcium, ppm 119 257  247  171  129  160 
Magnesium, ppm 1 23  <1  <1 
Phosphorus ,ppm 242 572  233  242  318  216 
Zinc, ppm 7 3-e 
Molybdenum,  ppm <1 <1  <1  <1  <1 
Barium, ppm <1 <1  <1  <1  <1  <1 
Additive and/or other
Boron,  ppm 94 269  75  60  95  56 
Silicon,  ppm 4
Potassium, ppm <1 <1  <1  <1  <1 
Manganese, ppm <1 <1  <1  <1  <1  <1 
Titanium, ppm <1 <1  <1  <1  <1  <1 
Copper, ppm <1 <1  <1  <1  <1  <1 
Sodium, ppm 3
Vanadium, ppm <1 <1  <1  <1  <1  <1 
Contaminants          
Silver, ppm <1 <1 <1 <1 <1 <1
Aluminum, ppm <1 <1 <1 <1 <1 <1
Chromium, ppm <1 <1 <1 <1 <1 <1
Iron, ppm <1 1 1 <1 1 <1
Nickel, ppm <1 <1 <1 <1 <1 <1
Lead, ppm <1 <1 <1 <1 <1 <1
Antimony, ppm <1 <1 <1 <1 <1 <1
Tin, ppm <1 <1 <1 <1 <1 <1

 a- Standards, shown in black are established by Original Equipment Manufacturers for Dexron III/Mercon. Ranges, shown in teal, represent the high and low data for the major brands of tested in February 2012.

b- Dexron® III, 170C max, Mercon®, 177 C max.

c-Test Method used for metal analysis is ASTM ASTM D5185.

d- ASTM D5185-09 Reproducibility by Element.

e- Original result of 44ppm due to laboratory error, rechecked 3ppm.