Browse Standards J2686_202212
Current REVISED 2022-12-20

Brake Drum Qualification Recommended Practice J2686_202212

This SAE Recommended Practice is intended for qualification testing for brake drums used on highway commercial vehicles with air brakes using an inertia-dynamometer procedure.
This document consists of two distinct tests: Part A, durability and speed maintenance test, and Part B, heat check drag sequence test. Each test can be considered to be an independent evaluation of the brake drum which tests different properties.
J2686_202212
2022-12-20
Latest
Revised
J2686_201710
2017-10-30
Historical
Reaffirmed
J2686_201203
2012-03-15
Historical
Issued

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