In the Oil & Gas and Mining industries the specially developed traction motors provide main motive force for the complex drive systems utilized in the oil and gas drilling equipment and in the mining haulage and extraction machines.

These traction motors are designed for arduous application in harsh environment and are built to meet the most rigorous expectations of the equipment operators. In fact, the optimal dependability and safety of the drilling and mining equipment is contingent on the reliable and long-lasting operation of the installed traction motors.

Sherwood Electromotion Inc. (SEI), a recognized leader in the field of motive power technology provides a broad range of effective service solutions that ensure superior performance and exceptional longevity of the serviced traction motors. Whether these traction motors are AC or DC, modern or aged types, operate in a vertical or horizontal configuration SEI offers a comprehensive line up of standard and custom services for all makes and models.

SEI's Specialized Traction Motor Services

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

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.

SEI's Oil, Gas, and Mining Industry Scope of Supply

SEI's Scope of Supply offers a world-wide customer base the Optimal Choice and Value for the oil, gas, and mining industries, related Parts, and required Services.


SEI has dedicated engineering and manufacturing programs to ensure the availability of high quality parts and sub-assemblies.


SEI is proud to offer its customers a wide choice of standard and application specific services.

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