Locomotive & Rapid Transit Traction Drives
Sotek manufactures precision motor components for locomotive traction drives and rapid transit traction drives from our ISO-certified facility in Buffalo, New York. Currently in service on virtually every U.S.-built locomotive and rapid transit system, our traction motor components have stood the test of time across freight rail, passenger rail, light rail, and metro transit applications throughout North America.
Whether you need a single prototype unit or dozens of production sets, Sotek's Buffalo, NY facility delivers stator cores, rotor assemblies, and electrical steel laminations built to the exacting tolerances that locomotive and rapid transit traction drive programs demand.
Locomotive Traction Drive Components
Sotek produces high-performance stator and rotor components for locomotive traction drives used in freight and passenger rail applications. Our manufacturing processes are optimized for the large frame sizes, tight tolerances, and demanding duty cycles characteristic of locomotive traction motor programs.
- Large-frame stator cores and lamination stacks for locomotive traction motors
- Rotor core assemblies for freight and passenger locomotive drive systems
- Precision electrical steel laminations for high-efficiency locomotive traction drives
- Custom lamination geometries to match existing locomotive motor designs
- Remanufacturing and replacement components for legacy locomotive traction drive systems
Rapid Transit Traction Drive Components — Buffalo, NY
Sotek is a trusted U.S. source for rapid transit traction drives components serving metro rail, light rail, and commuter rail programs. Our rapid transit traction drives work — produced in Buffalo, NY — supports transit authorities and OEMs requiring domestic manufacturing, full traceability, and consistent quality across high-volume programs.
- Stator assemblies for metro and light rail rapid transit traction motors
- Rotor core assemblies optimized for rapid transit drive cycles
- High-grade electrical steel lamination stacks for rapid transit applications
- Full quality documentation and traceability for transit authority requirements
- Buy America compliant U.S. manufacturing from our Buffalo, NY facility
Why Sotek for Rail Traction Components
- Proven rail heritage: Components in service on virtually every U.S.-built locomotive and rapid transit system
- Vertical integration: Steel processing, lamination stamping, stacking, and stator assembly under one roof in Buffalo, NY
- ISO certification: Rigorous quality systems meeting OEM and transit authority supply chain standards
- Flexible volumes: Single units through full production runs — rapid turnaround available
- Domestic manufacturing: U.S.-made components supporting Buy America and domestic content requirements
Get a Quote for Rail Traction Drive Components
Share your locomotive or rapid transit traction drive program requirements and we'll provide a manufacturing assessment and competitive quote from our Buffalo, NY facility.
Contact SotekRelated Capabilities
Sotek's rail traction drive component manufacturing is part of our broader heavy industrial drives manufacturing capabilities. Learn more about our rotor assembly services, stator motor assembly, and truck and electric bus traction drive components.

