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SAE J651
Passenger Car and Light Truck Automatic Transmission and Automatic Transaxle Test Code
Translate name
STANDARD published on 1.6.2015
The information about the standard:
Designation standards: SAE J651
Publication date standards: 1.6.2015
SKU: NS-663975
Country: American technical standard
Category: Technical standards SAE
Annotation of standard text SAE J651 :
The extent of test conditions on the dynamometer must be sufficient to determine the efficiency characteristics corresponding to the following range of vehicle operations in all gear ratios with locked torque converters (open converter can also be done where appropriate and noted).
a
Efficiency versus output speed versus input torque
b
Torque ratio versus output speed
c
Input speed versus output speed
d
Output torque versus output speed
e
Parasitic loss versus input speed (spin losses)
f
Cooler flow
g
Output torque bias (front wheel drive transaxles)
SUBJECT TAXONOMY: Transmissions, Automatic transmissions, Transaxles, Performance tests
SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard
Stabilized: Jun 2015 
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