Browse Standards J643_201812
Current REVISED 2018-12-05

Hydrodynamic Drive Test Code J643_201812

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.).

J643_201812
2018-12-05
Latest
Revised
J643_201104
2011-04-04
Historical
Revised
J643_200005
2000-05-16
Historical
Reaffirmed
J643_198906
1989-06-01
Historical
Revised
J643B_197906
1979-06-01
Historical
Revised

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Members save up to 18% off list price.
Login to see discount.
Special Offer: J-Paks offers a customized subscription plan that lets you pay for just the documents that you need, when you need them.

Get Involved

Want to participate in updating this standard?

X