Active standard | Published: 01/08/2023

SAE J643

Hydrodynamic Drive Test Code

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: SAE J643

Publication date: 01/08/2023

Pages: 0

Country: American technical standard

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Anotation

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 SAE - Standards Status Definitions