SAE J651C-1979
PASSENGER CAR AND TRUCK AUTOMATIC TRANSMISSION TEST CODE

Standard No.

SAE J651C-1979

Release Date

1979

Published By

Society of Automotive Engineers (SAE)

Status

Be replaced 1991-01

Replace By

SAE J651-1991

Latest

SAE J651-2015

Scope

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 transmission characteristics to be determined for all driving ranges or gears are: 1 Efficiency versus output speed. 2 Torque ratio versus output speed. 3 Input speed versus output speed. 4 Output torque versus output speed. 5 Parasitic losses versus input speed.

SAE J651C-1979 history

• 2015 SAE J651-2015 Passenger Car and Light Truck Automatic Transmission and Automatic Transaxle Test Code
• 2005 SAE J651-2005 Passenger Car and Light Truck Automatic Transmission and Automatic Transaxle Test Code
• 1996 SAE J651-1996 Passenger Car and Light Truck Automatic Transmission and Automatic Transaxle Test Code
• 1991 SAE J651-1991 Passenger Car and Truck Automatic Transmission Test Code (January 1991)
• 1979 SAE J651C-1979 PASSENGER CAR AND TRUCK AUTOMATIC TRANSMISSION TEST CODE