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The information about the standard:
Designation standards: SAE J643
Publication date standards: 1.8.2023
SKU: NS-1150208
Country: American technical standard
Category: Technical standards SAE
Annotation of standard text SAE J643 :
The range of test conditions on the dynamometer shall be sufficient to determine the primary operating characteristics corresponding to the full range of vehicle operations.
The characteristics to be determined are:
- a
Torque ratio versus speed ratio and output speed
b
Input speed versus speed ratio and output speed
c
Efficiency versus speed ratio and output speed
d
Capacity factor versus speed ratio and output speed
e
Input torque versus input speed
NOTE: For more information about these characteristics and the design of hydrodynamic drives, refer to “Design Practices: Passenger Car Automatic Transmissions,” SAE Advances in Engineering, AE-18 (Third Ed.) or AE-29 (Fourth Ed.).
SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard
Stabilized: Aug 2023 
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