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SAE J225 (OCT2022)

Current Revision

Brake Force Distribution Field Test Procedure for Truck and Bus

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This SAE Recommended Practice provides a field test procedure and instructions for air braked single unit trucks, buses, and combination vehicles. Brake force distribution field testing with systems post-reduce stopping distance changes is still appropriate, however, vehicles with electronically controlled braking systems are not covered in this document and may need to be addressed in the future. It also provides recommendations for: a Instrumentation and equipment. b Vehicle preparation. c Test of air-braked single and combination vehicles. d Calculation of brake force distribution. e This test procedure is intended to be used as a field procedure. If a more refined method, utilizing laboratory equipment, is required, refer to SAE J1505.

SDO SAE: SAE International
Document Number J225
Publication Date Oct. 7, 2022
Language en - English
Page Count 8
Revision Level 202210
Supercedes
Committee
Publish Date Document Id Type View
Oct. 7, 2022 J225_202210 Revision
April 29, 2003 J225_200304 Revision
June 10, 1993 J225_199306 Revision
Aug. 1, 1988 J225_198808 Revision
Jan. 1, 1971 J225_197101 Revision