Slack adjusters (also called brake adjusters or just "slacks") regulate the distance that the air brake has to travel to apply friction to the wheel. This distance increases as use of the brake causes the friction …

This article explains how slack adjusters work and their role in truck brake systems. It covers the differences between manual and automatic slack adjusters, their integration with brake chambers …

Optimize braking performance with TSE Brakes' Automatic Slack Adjusters. Featuring a proven clearance sensing design, robust construction, and extensive testing, these adjusters deliver reliable …

You'd never think about driving with your brakes on, but right now your slack adjuster may be causing brake drag. Most slacks have a fast adjustment rate that increases the likelihood of brake drag, …

Aug 25, 2025 · Slack adjusters are one of the top brake violations carriers face every year. Many small fleets either adjust them too often or not at all, and both mistakes cost money, downtime, and safety. …

NYAB slack adjusters automatically adapt to brake shoe and wheel wear with each brake application, and need only two brake applications to conform to correct clearance after brake shoe replacement.

Feb 18, 2022 · Simply put, Slack adjusters are the mechanical link between the brake chamber's push rods and the camshaft. The entire slack adjuster works as a unit, rotating with the camshaft as the …

A slack adjuster is a mechanical device found in vehicles equipped with air brake systems, such as trucks, buses, and trailers. Its primary function is to adjust the brake shoe clearance within the …

Shop high-quality slack adjusters for semi trucks and trailers. Find manual and automatic models designed for air brake systems to ensure reliable performance and safety.

Trailer Parts Superstore® offers a great selection of Automatic and Manual Slack Adjusters from SIRCO which are direct replacements for most popular manufacturers.