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SAE J1469_202603

Name: SAE J1469_202603 PDF | Request Standard
SKU: b7ddb509c6af

Air Brake Actuator Test Procedure, Truck-Tractor, Bus, and Trailers

Standard by SAE International, 2026-03-13

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SAE J1469_202603.PDFSecure PDF
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Language: English
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Language: English
License Type: Enterprise / Multi User
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About This Item

This SAE Recommended Practice provides procedures and methods for testing service, spring applied parking, and combination brake actuators with respect to durability, function, and environmental performance. A minimum of six test units designated A, B, C, D, E, and F are to be used to perform all tests per 1.1 and 1.2. This revision, based on feedback from document users, includes the following updates: Added 10 lbf/in2 test pressure to the service force output in 7.3.2.10. Added an upper limit to the caging time allowed in 5.2.1.2 and 7.2.1.2. Clarified 7.2.1.1 excludes Test Unit A which performs Power Spring Preset in 5.2.1. Increased upper preload limit for 7.2.2.7, 7.2.2.8, 7.3.2.7, and 7.3.2.8 to 90 N. Changed 13.1.2.1, 13.2.2.2, and 13.3.2.2 from a specified cycle rate to a minimum rate and cycle count.

SKU: b7ddb509c6af

Publication Date: 2026-03-13

Standard Status: latest

Publisher: SAE International

Document Type: Ground Vehicle Standard

Subject: Air brakes, Test procedures, Buses, Trailers, Sensors and actuators, , , ,

Official SAE: Doi link

This Version: J1469_202603 (2026-03-13)
Previous Version: J1469_201903 (2019-03-20)
Previous Version: J1469_201702 (2017-02-09)
Previous Version: J1469_200902 (2009-02-03)
Previous Version: J1469_200606 (2006-06-05)
Previous Version: J1469_200107 (2001-07-03)
Previous Version: J1469_199508 (1995-08-01)
Previous Version: J1469_198806 (1988-06-01)

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