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MBS 1®- Modular Brake System
(See also the MBS 2®)

- The First ABS System Designed Specifically for Trailers

What sets the MBS system apart from other ABS systems?

Modular Approach Saves Cost.
The ABS electronics and brake modulating hardware are separate from the brake valve. The MBS system retains a traditional and service-proven relay valve to actuate the brakes. Troubleshooting is easier than with other systems that package the brake valve with the electronics. If repairs are ever required, the railed component only can be replaced instead of the entire module, saving cost.

Integrated Quick Exhaust Valve Provides Benefits.
The MBS system provides a quick exhaust feature, improving the system's brake release response time. This feature also automatically flushes contaminants from the system with every release, removing a major source of failures.

One-Worker Diagnostics
With this Wabash National exclusive, only one individual is required to diagnose and troubleshoot the MBS system. A maintenance switch in the ABS lamp harness allows the technician standing by the tandem to initiate the self-diagnostic process. Diagnostic information is displayed by warning lamp flash codes. Diagnostics capabilities are self-contained - no additional hardware is required.

Top Performance
The MBS system offers reliable braking performance providing stopping distances and stability comparable to other premium systems.

"Easy-Access" Mounting
The Antilock Control Module is mounted toward the front of the suspension bogie, either directly on a crossmember or siderail, or on a simple bracket. This provides quick access if maintenance or service are ever required.

The MBS-1® model was the start of this highly successful ABS platform. It has since been replaced by the MBS-1P with PLC4TRUCKS and other electronic enhancements that meet or exceed the minimum requirements for ABS systems. Both of these systems used the industry standard Variable Reluctance sensor with a hub mounted tone ring. We have introduced yet another step in ABS technology, the MBS-2®, that utilizes a new form of wheel speed sensing and adds even more enhancements to the platform.