Driving Reliability Across Modern Mass Transit Fleets
Mass transit agencies are always under immense pressure to ensure continuous vehicle availability while minimizing maintenance costs, technician effort, and spare parts storage. The aging of equipment, mixed fleet composition, changing vendors, and the lack of depot facilities complicate effective troubleshooting of Line Replaceable Units (LRUs) & Lowest Level Replaceable Units (LLRUs), as well as the reliable verification of their functionality. Simultaneously, the rail industry requires an efficient maintenance procedure that facilitates safe, documented, and sustainable management of crucial on-board systems throughout their entire service life cycle.
DMC’s Consolidated Bench Test Equipment (CBTE) offers practical solutions for rail transit agencies by providing a common, software-driven system for diagnosing, validating, and maintaining multiple rail electronics subsystems during their depot-level repairs.
Engineered Test Solutions for Rail Subsystems
DMC’s Consolidated Bench Test Equipment is a configurable system that helps validate and troubleshoot key rail subsystems during depot maintenance, overhaul, and production support. This system integrates various components, including modular instrumentation, application-specific interfacing, conditioning of safety devices, and automated test execution software, within a single framework to support electronic, electromechanical, mechanical, and pneumatic test applications.
DMC’s CBTE solutions facilitate reliable testing, unbiased pass/fail assessments, and effective troubleshooting by leveraging automated testing procedures and operator-guided processes. In turn, this allows for the creation of bench testing solutions that directly support minimizing maintenance costs and risks, simplify training, ensure standardization in support processes, and maintain fleet testing capabilities without having to invest in multiple single-purpose specialized testers.
Comprehensive Testing Across Critical Railcar Subsystems
DMC designs bench-test equipment solutions for the mass transit industry to test critical subsystems that affect railcar reliability and performance. Whether it is LRU electronics systems testing, module-level fault-isolation tests, or separate benches for pneumatic, mechanical, or powertrain systems, our system design philosophy is based on reusability, scalability, and ease of use.
- Door controllers
- Propulsion & traction power
- Brake & pneumatic systems
- HVAC systems
- Train operator displays & controls
- Event recorders
- Communication systems
- Auxiliary power & inverters
- Passenger & railcar lighting
- Master controller systems
- High-speed circuit breakers
- ATO/ATC control systems
Strategic Partnerships
Leveraging partnerships with AMETEK, United Electronic Industries, VTI Instruments, and MAC Panel, DMC delivers state-of-the-art Consolidated Bench Test Equipment that combines advanced automated test software, robust instrumentation, and scalable hardware architectures for demanding rail applications.
Built for the Realities of Mass Transit Maintenance
DMC’s mass transit solutions are engineered to address the operational, technical, and organizational challenges that define modern rail maintenance, repair, validation, and long-term bench sustainment.
- Control obsolescence and reduce long-term test system cost
CBTE provides a modular, maintainable testing framework that reduces the costs of maintaining a test fleet’s capabilities over time. In managing obsolescence and reducing PBL and support costs, CBTE enables transit agencies to better manage training and bench availability. - Adapt as fleets, LRUs, and suppliers evolve
A modular CBTE architecture can expand through new interchangeable test adapters (ITAs), fixtures, harnessing, instrumentation, and test procedures, enabling support for next-generation LRUs without replacing the full platform. - Maximize uptime (State-of-Good-Repair)
A common, software-driven test platform helps maintenance teams isolate faults faster, verify repairs more consistently, and return validated LRUs to service sooner, which supports improved uptime, standardized bench workflows, stronger maintainability, and state-of-good-repair objectives.
Integrated Manufacturing for Mass Transit Test Systems
DMC’s Chicago Manufacturing Center offers its mass transit clients an internal pipeline from panel manufacturing through completed bench and control system assemblies. This internal process streamlines the manufacturing cycle, reducing the risk of hand-offs, improving maintainability, and ensuring that systems are delivered ready to go and in compliance with fleet sustainment objectives.
- 25,000 sq. ft. industrial manufacturing facility
- Dedicated mechanical and electrical design teams
- UL508A certified panel shop for deployment-ready panels
- Build-to-print or design-to-build engagements
- ISO 9001 certified quality management system
Mass Transit Customers Served
Trusted by leading mass transit customers to deliver engineered test solutions that improve maintenance consistency, support critical system validation, and help keep rail fleets operating with confidence.
Trusted When Reliability Matters Most
“Our company has used DMC’s services quite extensively over the past few years to supplement our internal development staff. As an ISO 9001:2000 certified company, we have rigorous documentation and product quality standards.
The DMC engineers have consistently impressed us with their high level of professionalism, engineering expertise, superb communication skills, flexibility and attention to detail. DMC has far surpassed our expectations and I would not hesitate to enthusiastically recommend their services to others.”
–Ty Phillips, Software Development Manager (Yaskawa)
