K139677
Chamber T3030, 300, NC100, 020 160
Bendix

Designed for robust heavy-duty braking, this S-Cam spring brake chamber employs a 30/30 configuration with a 3 inch stroke to deliver reliable actuation across drum brake assemblies. The chamber’s travel and mechanical leverage are optimized for consistent engagement and retraction, providing dependable service braking while guaranteeing a strong parking brake hold in the absence of air pressure. Built to withstand high-cycle operation and rugged road conditions, the 30/30 family delivers predictable performance across a wide range of axle configurations and vehicle types. A known cross reference aligns with BW K139894, simplifying maintenance planning and part matching in fleet operations. This chamber is well suited to tractors, regional haulers, and vocational fleets requiring reliable emergency braking and park functionality. Its standard mounting pattern and compatibility with Bendix service tooling support straightforward installation, inspection, and routine replacement, contributing to brake system safety, regulatory compliance, and reduced downtime during service intervals.