SAE J135A-1979
Service Brake System Performance Requirements - Passenger Car - Trailer Combinations

Standard No.

SAE J135A-1979

Release Date

1979

Published By

SAE - SAE International

Status

Be replaced 2008-09

Replace By

SAE J135-1985

Latest

SAE J135-2013

Scope

This SAE Recommended Practice presents service brake performance requirements for brake systems of all combinations of new passenger cars and new trailers (braked or unbraked) intended for roadway use (excluding special-purpose passenger vehicles such as ambulances@ hearses@ etc.) Acceptable performance requirements are based on data obtained from SAE J184c (June@ 1979). Purpose- The purpose of this practice is to establish the minimum service brake system performance requirements with regard to: Stopping Ability Of cold brakes as affected by vehicle speed. Of hot brakes as affected by vehicle speed and duty cycles. Of cold brakes during emergency or inoperative power assist conditions. Pedal Force-Maximum and/or minimum force allowable. Brake Stability Brake System Integrity

SAE J135A-1979 history

• 2013 SAE J135-2013 Service Brake System Performance Requirements Passenger car Trailer combinations
• 1993 SAE J135-1993 Service Brake System Performance Requirements Passenger car Trailer combinations
• 1985 SAE J135-1985 Service Brake System Performance Requirements - Passenger Car-Trailer Combinations
• 1979 SAE J135A-1979 Service Brake System Performance Requirements - Passenger Car - Trailer Combinations
• 1973 SAE J135-1973 Service Brake System Performance Requirements - Passenger Car - Trailer Combinations