Outfit your Dash-2 locomotive with the ZTR BOA™-WS, to get advanced wheel slip control from your existing fleet. The BOA-WS is a PLC-based control system, designed to replace the WS10 module on EMD Dash-2 locomotives, replacing hard-wired locomotive circuitry with microprocessor technology. Running this sophisticated system software significantly improves functionality over the WS10 module. The system is also equipped with an integrated diagnostics program that checks on system performance and can give the end user the information anywhere for quick and accurate troubleshooting.BOA-WS- Tractive Effort Improvement

  • Up to 25% tractive effort improvement
  • Short-term current regulation
  • Easy installation
  • Intuitive diagnostic interface
  • Flexible options
  • Reliable performance 



ZTR keeps your fleet on track. We have a long history as locomotive modernization experts. Whether you need to pull more with your existing fleet or want to experience the benefit of improved all-weather-dispatch-able adhesion, we’re here to help.

  • Integrates with existing Dash-2 system
  • Long term parts and service support

Our ultimate goal is to consistently create proven solutions to help your business save money. Learn more about our Control Systems and Tractive Effort solutions.