Expert Service, Reliable Engineering
Mass Transit Repairs You Can Rely On
Sherwood Electromotion Inc. (SEI), a qualified and approved vendor to the Transit Authorities and Rolling Stock Manufacturers, provides a complete range of reliable products, distinct services, and application-specific solutions for equipment integrated within different propulsion systems.
Mass Transit vehicles and their propulsion systems are as diverse as the riders who use them. Although different types and makes of propulsion systems perform the same functions, equipment in each particular system requires distinct maintenance and overhaul services. Consequently, there is a growing demand for experienced suppliers who can successfully meet industry’s requirements for specific service solutions.
SEI’s products and services cover all three Mass Transit modes: locomotive systems, powered vehicle systems and bus systems. A complete line of SEI’s products and services is represented by the following major groups and categories:
Equipment
Our range of equipment and components is engineered to deliver top-notch performance and reliability for your operations. We specialize in maintaining, repairing, and enhancing critical machinery across various applications.
- Main Generators
- Main Alternators
- DC Traction Motors
- Improvement
- AC Traction Motors
- Combo Units
- Auxiliary Power Generators
- Cooling Fan Assemblies
- Blower Assemblies
- Compressors
- Rectifiers
- Starters
- Options
- Cab Heaters
Components
Our comprehensive range of components is designed to meet the highest industry standards, ensuring seamless operation and durability for your equipment. We provide expert services to maintain, repair, and replace essential components with precision and efficiency.
- Frames
- Stators
- Armatures
- Rotors
- Form & Random Wound Coils
- Shafts
- Bearings
- Brush Holders
- Cable Assemblies
- Gears and Pinions
- Wheel Sets
- Replacement Parts
Services
We offer a comprehensive suite of services tailored to optimize your equipment’s performance and reliability. Our skilled professionals utilize cutting-edge techniques to diagnose, repair, and enhance your systems efficiently and effectively.
- Tests and Diagnostics
- Fault and Root Cause Analysis
- Performance Analysis and Improvement
- Condition Based Repairs
- Catastrophic Damage Repairs
- Structured Overhauls
- Bearing Replacement Programs
- Rewind and Recoil Programs
- Insulation Systems Improvements
- Modifications, Upgrades and Conversions
- Unit Exchange (UTEX) Options
- New Equipment Assembly
Mass Transit Products
The reliability of the offered products, the quality of the supplied services and the timely delivery of all products and services are assured by the utilization of a dedicated Quality Management System (QMS). This comprehensive QMS is supported by the ISO 9001:2015 and AAR M-1003 corporate certifications.
Quality Management System
Engineered Reliability And Quality Management System
SEI pragmatic approach to ensure optimum quality, reliability and effectiveness of its products and services led to the development and implementation of a focused, effective and dynamic Quality Management System (QMS). Within the framework of SEI’s operations, QMS coordinates and validates each and every aspect of the engineering, procurement, production, testing and inspection processes, assuring absolute conformance with OEM’s and customer’s specifications and SEI’s exacting quality assurance requirements. All production and service activities are meticulously planned and optimized to ensure successful execution the first time. Rework is unacceptable.
Operations
SEI’s Quality Management System is certified by the ISO and AAR and fully complies with the ISO 9001:2015 and AAR M-1003 standards and requirements.
Performance
The invariable result of SEI’s proactive strategy is a punctual delivery of highly effective and supremely reliable products and services to our customers.
Cooling Fans and Blower Assemblies
Sherwood Electromotion Inc. (SEI) supplies new and remanufactured cooling fan assemblies, delivers a complete range of cooling fan services and provides an extensive selection of replacement parts and subassemblies. SEI supports all models and configuration of cooling fans assemblies, which are defined by physical diameter, number of fan blades, motor speed, output power and input parameters.
Linear Motors
Over the last forty years SEI has been involved in numerous diverse projects utilizing Linear Motors. Whether induction or synchronous, single sided or double sided, short stator or long stator, low voltage or high voltage, SEI’s technical expertise covers every type and variant of Linear Motor. All Linear Motors supplied by SEI are custom designed and precisely manufactured to ensure absolute compatibility with the unique parameters of the propulsion system and the specific requirements of each application.
Auxiliary Generators and Alternators
Sherwood Electromotion Inc. (SEI) supplies new and remanufactured auxiliary generators and auxiliary alternators, delivers a complete range of generator and alternator services and provides an extensive selection of replacement parts and subassemblies for various types of generators and alternators.
Quality Management System
SEI's Quality Management System is certified by the ISO and AAR and fully complies with the ISO 9001:2015 and AAR M-1003 standards and requirements.
Continuous review of the QMS’ performance and subsequent improvements to the System guide our corporate investments in innovation, infrastructure, and initiatives that expand process functionality, advance skills development, and enhance customers’ satisfaction.
SEI's proactive strategy
The invariable result of SEI's proactive strategy is a punctual delivery of highly effective and supremely reliable products and services to our customers. This is Sherwood Electromotion's commitment to quality. This is Engineered Reliability.
All production processes are strictly monitored, controlled, and documented to maintain accuracy and traceability of all operations as well as ensure optimum reliability of the finished products.
Would You Like Connect With Our Sales Team?
Sherwood Electromotion Inc. is dedicated to quality reliable service. Whether you’re looking for a specific part or product or searching for excellent service, our team is here to help. Feel free to give us a call or send us a note with any questions or concerns you may have.
