Specialty & Custom AC/DC Motors
Request quotes for engineered specialty electric motors up to 20,000 HP designed for severe industrial environments, extreme temperatures, and high-vibration applications.
Engineering Consultation & Quotation
Request A Quote
Connect with our expert application engineers for custom electric motors, large AC/DC generators, recertified units, and global emergency repair services up to 20,000 HP.
B2B Quotation Process
Tailored Industrial Motor Specifications & Commercial Proposals
For over 120 years, Louis Allis has served global procurement engineers, plant managers, and OEM facility buyers with precision-engineered specialty electric motor solutions.
Our technical team reviews every inquiry against international standards including ISO 9001:2015, EASA AR100, NEMA MG, IEEE, and MIL-SPEC compliance to ensure maximum operational uptime.
AC Motors Up To 20,000 HP
Large Industrial DC Motors
Drop-in Replacement Designs
Factory Recertified Warranty Units
Full Load Testing Verification
Emergency Outage Fast-Track
Requirements Checklist
Information Needed For Technical Quotation
To help our engineering department prepare an accurate technical proposal and lead time estimate, please include key operating parameters when contacting our specialists:
- Power & Voltage Rating: Horsepower / kW, Operating Voltage, and Frequency (50 Hz / 60 Hz).
- Motor Type & Enclosure: AC/DC, TEFC, ODP, Explosion-Proof (ATEX / Class I Div 1/2), or Navy Sealed.
- Frame Size & Mounting: NEMA / IEC frame, Horizontal, Vertical, or Custom Footprint.
- Application Environment: Mining crushers, ball mills, power generation turbines, marine thrusters, or chemical pumps.
- Service Scope: New custom build, reverse engineering drop-in, factory recertification, or emergency repair overhaul.
Quotation Categories
Choose Your Technical Engineering Solution
Whether you require an engineered-to-order new motor build, severe-duty OEM repair, or specialized frequency conversion equipment, our engineering facility provides comprehensive quotes.
Factory Recertified Motors
Inquire about fully reconditioned, load-tested recertified motors that match OEM performance at reduced capital costs and expedited delivery schedules.
Motor & Generator Overhaul
Get comprehensive repair, rewind, and machining quotes for large AC/DC motors, sync generators, and critical power infrastructure.
Georator Frequency Converters
Obtain pricing on Georator rotary frequency converters and permanent magnet generators designed for aerospace, military, and lab testing environments.
OEM Replacement Parts
Source hard-to-find motor components, custom windings, bearings, shafts, and replacement parts for legacy and active motor models.
Field Engineering & Inspection
Schedule on-site predictive maintenance, vibration analysis, field laser alignment, and emergency outage dispatch services.
E-E-A-T Quality Commitment
Built On 120+ Years Of Engineering Experience
Louis Allis operates an ISO 9001:2015 certified manufacturing facility in Warrior, Alabama. Our engineering rigor guarantees that every quotation reflects verified technical standards, mechanical integrity, and reliable performance.
ISO 9001:2015 Certified
Strict quality assurance protocols govern every engineering drawing, component fabrication, and testing phase.
Full Load Testing
Complete in-house load testing capabilities verify performance and temperature rise prior to shipment.
MIL-SPEC Compliance
Qualified to manufacture and repair military-grade sealed winding systems under MIL-STD-2037 guidelines.
EASA & IEEE Standards
Adherence to international electromechanical standards for insulation systems and structural design.
Immediate Assistance
Ready to Submit Your Project Specifications?
Our engineering team is ready to analyze your technical requirements and deliver a fast, detailed quotation for your project.