Annotation of standard text SAE J1807 :
This SAE Standard applies to direct acting hydraulic power assist brake boosters only, of the type which provide "push through" manual braking of the static brake circuit(s) via a separate master cylinder, in event of inoperative power assistance similar to existing vacuum boosters (SAE J1808), for passenger cars and light trucks [4500 kg GVW (10 000 lb)].
SUBJECT TAXONOMY: Braking systems, Performance tests
SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard
Stabilized: Feb 2012 