Stator Assemblies & Frames
Custom precision-wound stators utilizing Class H VPI insulation systems for high voltage applications.
ISO 9001:2015 Certified Manufacturing
Replacement Electric Motor Parts
OEM-grade components and precision reverse engineering solutions for legacy and modern industrial electric motors up to 20,000 HP.
Precision Component Engineering
OEM & Legacy Motor Replacement Parts Solutions
As a global leader in specialty electric motor manufacturing since 1901, Louis Allis maintains complete technical documentation, original tooling drawings, and advanced reverse engineering capabilities. We supply exact-fit replacement parts for Louis Allis equipment as well as custom engineered replacement solutions for all major global OEM electric motor brands.
Whether your application requires standard maintenance items or engineered structural modifications for obsolete machines, our ISO 9001:2015 certified facility in Warrior, Alabama delivers high-reliability components tested to withstand the extreme operational demands of heavy industry.
Precision Machined Rotor Shafts
High-Voltage Wound Stator Cores
End Brackets & Bearing Housings
Heavy-Duty Terminal Boxes & Hoods
Custom Cooling Fans & Blowers
Oil Sight Gages & Lube Components
Louis Allis Master Capabilities Brochure
Technical Document
Engineered Component Showcase
Industrial Motor Parts Product Gallery
Explore our manufactured and recertified motor components built under strict EASA-AR100 and IEEE quality standards.
Recertified End Brackets
Rigorously dynamic balanced end bells and bearing housings remanufactured to OEM tolerances.
NuTorque™ Wound Stators
High-efficiency replacement wound stators optimized for severe duty mill and crusher operations.
Synchronous Motor Parts
Specialty pole assemblies, collector rings, and rotor shafts engineered for large industrial motors.
Uncompromised Quality & Technical Authority
ISO 9001:2015 Quality Standards
Every replacement component manufactured or repaired at Louis Allis undergoes stringent dimensional checks, non-destructive testing (NDT), and material verification to ensure zero-defect reliability in critical applications.
Factory Recertification Program
For applications where emergency downtime cannot await a complete custom build, our Factory Recertified inventory offers rapidly deployable assemblies engineered to deliver like-new performance with full warranty back-up.
Complete Engineering Capabilities
Our in-house engineering facility possesses full reverse-engineering and metal fabrication capabilities. We can duplicate out-of-production OEM motor parts with enhanced mechanical integrity and modern insulation technology.
Comprehensive Product Portfolio
Explore Our Complete Range Of Industrial Solutions
Specialty Electric Motors
From mill drives to marine propulsion, Louis Allis designs and builds specialty AC & DC electric motors up to 20,000 HP tailored for extreme environments.
- Ball Mill Motors
- Bow Thruster Motors
- Crusher Duty Motors
- Dredge Motors
- Induced Draft Fan Motors
- Large DC Motors
Engineered Repair & Field Services
Our Warrior, Alabama plant is equipped with heavy overhead cranes, vacuum pressure impregnation (VPI) tanks, and automated load testing equipment for full motor lifecycle support.
- Motor & Generator Rewinding
- Mechanical Machining & Repair
- Onsite Predictive Maintenance
- Field Engineering Support
- Comprehensive High-Pot Testing
- Emergency Outage Response
Global Procurement & Technical Support
Need Exact-Fit Electric Motor Replacement Parts?
Contact our engineering experts today to discuss replacement component specifications, legacy motor reverse engineering, or emergency outage requirements for global delivery.