Active standard | Published: 01/06/2015

SAE J651

Passenger Car and Light Truck Automatic Transmission and Automatic Transaxle Test Code

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: SAE J651

Publication date: 01/06/2015

Pages: 0

Country: American technical standard

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Anotation

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 SAE - Standards Status Definitions