Expert Electric Motor Rewinding
Precision and Reliability in Every Turn
At Seaboard Marine Electric, we specialize in bringing your electric motors back to life with unparalleled precision and expertise.
About Seaboard Marine Electric
Seaboard Marine Electric has been a trusted name in the electric motor rewinding industry for over 30 years. Our team of skilled technicians is dedicated to providing top-notch services that ensure the longevity and efficiency of your motors. We combine traditional craftsmanship with modern technology to deliver results that exceed expectations. Our mission is to keep your operations running smoothly with minimal downtime.
Electric Motor Services
Comprehensive electric motor repair, rewinding, and maintenance services for AC and DC motors from fractional horsepower to 2,000 HP. Expert diagnostics, precision balancing, and rapid turnaround to keep your operations running at peak performance.
Your Trusted Electric Motor Experts
At Seaboard Marine Electric, we understand that electric motors are the workhorses of modern industry. When a motor fails, production stops, vessels are delayed, and costs escalate rapidly. That's why we've invested in the expertise, equipment, and processes needed to get your motors back online quickly and reliably.
Our team of experienced technicians brings decades of combined expertise in motor repair, rewinding, and diagnostics. We service all major motor manufacturers and handle everything from routine maintenance to complete rebuilds. Whether you need emergency repair for a critical motor or a comprehensive preventative maintenance program, we deliver solutions that minimize downtime and maximize equipment life.
Every motor that leaves our facility undergoes rigorous testing to ensure it meets or exceeds OEM specifications. We don't just fix motors—we restore them to peak performance and help you prevent future failures through advanced diagnostics and maintenance planning.
Rapid Turnaround
Expedited service to minimize your downtime
Expert Technicians
Decades of combined motor repair experience
Complete Documentation
Detailed test reports for every repair
Quality Guarantee
Comprehensive warranty on all work performed
Complete Motor Type Coverage
From small fractional horsepower motors to large industrial units, we have the expertise and equipment to service virtually any electric motor in your facility or fleet.
AC Induction Motors
The most common motor type in industrial and commercial applications. We service single-phase and three-phase induction motors of all sizes and configurations.
DC Motors
Specialized DC motor service including armature rewinding, field coil replacement, commutator repair, and brush system maintenance for precise speed control applications.
Synchronous Motors
Expert service for synchronous motors used in applications requiring precise speed control and power factor correction capabilities.
Submersible Motors
Specialized submersible motor repair for pump applications including complete seal replacement, winding repair, and water ingress damage restoration.
Specialty Motors
Hazardous location and specialty motor service including explosion-proof, washdown duty, and severe environment rated motors.
Marine Motors
Specialized marine motor service understanding the unique challenges of saltwater environments, vibration, and regulatory requirements.
Electric Motor Rewinding
Expert motor rewinding services from fractional horsepower to 2,000 HP. We use premium materials and industry-best practices to restore your motors to peak performance.
Complete Rewinding Services
Fractional HP to 2,000 HPMotor rewinding is both an art and a science. Our experienced technicians carefully evaluate each motor to determine the optimal repair approach. Using premium materials including Class H and Class F insulation systems, we restore motors to original specifications or upgrade them for enhanced performance and longevity. Every rewind includes comprehensive testing to verify insulation integrity, winding resistance, and overall motor health before return to service.
Motor Types We Rewind
- AC Induction Motors (Single & Three Phase)
- DC Motors (Shunt, Series, Compound, PM)
- Synchronous Motors & Generators
- Wound Rotor / Slip Ring Motors
- Submersible Pump Motors
- Explosion-Proof & Hazardous Location
- High-Efficiency & Premium Efficiency
- Inverter Duty / VFD Compatible Motors
- Hermetically Sealed Motors
- Traction & Crane Motors
Our Rewinding Process
- Complete Disassembly & Detailed Inspection
- Winding Data Recording & Documentation
- Core Loss Testing (Before & After)
- Controlled Temperature Burnout or Chemical Stripping
- Core Inspection & Repair if Needed
- Premium Class H or Class F Magnet Wire
- Vacuum Pressure Impregnation (VPI)
- Surge Comparison Testing
- Hipot / Dielectric Testing
- No-Load & Full-Load Testing Available
Quality Materials
- Premium Grade Magnet Wire
- Class H Insulation (180°C Rating)
- Class F Insulation (155°C Rating)
- Nomex® Slot Liners
- Dacron-Mylar-Dacron (DMD) Insulation
- High-Temperature Varnishes
- VPI Resin Systems
- Corona-Resistant Materials for VFD
- OEM Equivalent Components
- Lead Wire & Connection Materials
Special Capabilities
- Efficiency Upgrades & Optimization
- Voltage & Frequency Conversions
- Speed Change Modifications
- Explosion-Proof Certifications
- Marine Environment Upgrades
- VFD Compatibility Upgrades
- Thermal Protection Installation
- Space Heater Installation
- RTD / Thermocouple Installation
- Custom Engineering Solutions
Dynamic Balancing
State-of-the-art dynamic balancing services for rotating equipment up to 2 tons. Eliminate vibration, extend bearing life, and ensure smooth, quiet operation.
Precision Dynamic Balancing
Up to 2 Tons CapacityUnbalanced rotating equipment causes excessive vibration that damages bearings, seals, and housings while increasing noise and energy consumption. Our computerized dynamic balancing equipment achieves ISO G2.5 or better tolerances, ensuring your rotating components operate smoothly and reliably. We balance motor armatures, pump impellers, fan wheels, flywheels, and virtually any rotating assembly within our capacity range. Every balanced component receives documented before-and-after vibration readings to verify the quality of our work.
Components We Balance
- Motor Armatures & Rotors
- Pump Impellers (All Types)
- Fan Wheels & Blower Rotors
- Flywheels & Sheaves
- Couplings & Coupling Hubs
- Generator Rotors
- Spindles & Rollers
- Grinding Wheels & Mandrels
- Propellers & Marine Components
- Custom Rotating Assemblies
Balancing Capabilities
- Single-Plane (Static) Balancing
- Two-Plane (Dynamic) Balancing
- ISO G2.5 Standard Tolerance
- ISO G1.0 Precision Tolerance Available
- Computerized Analysis & Reporting
- Vibration Spectrum Analysis
- Before & After Documentation
- Weight Correction by Addition/Removal
- On-Site Balancing Available
- Emergency Rush Service
Extended Bearing Life
Properly balanced rotors dramatically reduce bearing loads, extending bearing life by 2-3 times or more.
Reduced Noise & Vibration
Eliminate annoying vibration and noise that indicates equipment stress and impending failure.
Energy Savings
Balanced equipment runs more efficiently, reducing energy consumption and operating costs.
Equipment Protection
Prevent collateral damage to housings, foundations, and connected equipment from vibration.
Testing & Diagnostics
Our investment in advanced diagnostic equipment allows us to accurately assess motor condition, identify hidden problems, and verify repair quality with documented results.
Electrical Testing
Comprehensive electrical testing to evaluate insulation condition, winding integrity, and overall motor health.
Surge Comparison Testing
Detects turn-to-turn insulation weaknesses before they cause failure
Hipot / Dielectric Testing
Verifies ground wall insulation integrity under high voltage stress
Insulation Resistance (Megger)
Measures insulation resistance to ground indicating moisture or contamination
Polarization Index (PI)
Evaluates insulation condition and moisture content over time
Mechanical Testing
Precision mechanical analysis to ensure proper fits, alignment, and rotational quality.
Vibration Analysis
Identifies imbalance, misalignment, bearing defects, and resonance issues
Shaft Runout Measurement
Verifies shaft straightness and identifies bent shaft conditions
Bearing Inspection
Visual and dimensional inspection of bearings and bearing fits
Air Gap Measurement
Ensures proper and uniform air gap between rotor and stator
Performance Testing
Operational testing to verify motor performance meets specifications before return to service.
No-Load Testing
Verifies proper rotation, current draw, and basic motor function
Core Loss Testing
Evaluates magnetic circuit efficiency and identifies core damage
Winding Resistance
Measures and compares phase-to-phase resistance for balance
Thermographic Imaging
Identifies hot spots and thermal anomalies during operation
Motor Repair Services
Beyond rewinding, we offer comprehensive motor repair services addressing mechanical, electrical, and structural issues to restore your motors to peak condition.
Bearing Replacement
Complete bearing service including proper sizing, installation, lubrication, and fit verification for all bearing types.
Shaft Repair & Replacement
Shaft straightening, journal repair, keyway restoration, and complete shaft manufacturing when needed.
Commutator Services
Commutator turning, undercutting, and resurfacing for DC motors to restore proper brush contact.
Slip Ring Repair
Slip ring resurfacing, replacement, and brush system service for wound rotor and synchronous motors.
Housing & End Bell Repair
Bearing bore restoration, housing machining, end bell repair, and foot/flange refurbishment.
Thermal Protection
Installation and replacement of thermostats, RTDs, thermocouples, and thermal overload devices.
Cooling System Service
Fan replacement, shroud repair, cooling fin cleaning, and forced ventilation system service.
Terminal & Connection
Terminal box repair, lead replacement, connection hardware, and conduit box refurbishment.
Seal & Gasket Service
Complete seal and gasket replacement to restore environmental protection and prevent contamination.
Our Repair Process
A systematic approach ensures consistent quality, accurate pricing, and reliable results on every motor we service.
Intake & Initial Assessment
When your motor arrives, we document its condition, record nameplate data, and perform initial testing to identify obvious issues. We note any external damage, contamination, or visible problems.
- Nameplate data recording
- Visual condition assessment
- Initial electrical tests
- Photo documentation
Complete Disassembly & Evaluation
We carefully disassemble the motor, inspecting each component and performing detailed testing to determine the full scope of work required. All findings are documented for the quote.
- Component inspection
- Bearing evaluation
- Winding testing
- Mechanical measurements
Detailed Quote & Approval
Based on our evaluation, we provide a detailed quote outlining all recommended repairs, parts needed, and estimated turnaround time. No work proceeds without your approval.
- Itemized repair scope
- Parts & materials list
- Labor estimate
- Turnaround schedule
Expert Repair & Rebuilding
Our skilled technicians perform all approved repairs using quality materials and proven techniques. We follow industry best practices and OEM specifications throughout the process.
- Rewinding if required
- Mechanical repairs
- Component replacement
- Careful reassembly
Testing & Quality Verification
Every repaired motor undergoes comprehensive testing to verify it meets specifications. We document all test results and include them with the motor upon delivery.
- Electrical testing suite
- Insulation verification
- No-load operation test
- Final inspection
Delivery & Documentation
Your motor is carefully packaged and delivered with complete documentation including test reports, repair records, and warranty information for your maintenance files.
- Secure packaging
- Test report package
- Warranty certificate
- Free local delivery
Industries & Applications
Our electric motor expertise serves a diverse range of industries, each with unique requirements and operating conditions.
Marine & Maritime
Specialized service for marine motors operating in harsh saltwater environments with strict regulatory requirements.
Manufacturing
Rapid response for production-critical motors to minimize downtime and maintain manufacturing schedules.
Water & Wastewater
Reliable service for essential infrastructure motors in water treatment, pumping stations, and distribution systems.
Commercial Buildings
HVAC motors, elevator equipment, and building systems keeping commercial properties operational and comfortable.
Food & Beverage
Washdown-duty and food-grade motor service meeting sanitation requirements and production demands.
Oil & Gas
Explosion-proof motor expertise for hazardous location requirements in refineries and petrochemical facilities.
24/7 Emergency Motor Service
When a critical motor fails, every hour of downtime costs money. Our emergency response team is available around the clock to get your operation back online as quickly as possible. We offer expedited evaluation, rush repairs, and on-site service when needed.
Ready to Get Your Motor Serviced?
Contact us today for a free evaluation and quote. We'll assess your motor's condition and provide honest recommendations for repair or replacement. Our team is ready to help keep your operations running smoothly.
Our Rewinding Services
AC Motor Rewinding
Our AC motor rewinding service restores your motors to peak performance, using high-quality materials and precise techniques to ensure durability and efficiency.
DC Motor Rewinding
We specialize in DC motor rewinding, providing meticulous attention to detail to enhance the reliability and lifespan of your motors.
Generator Rewinding
Our generator rewinding services are designed to restore your generators to optimal condition, ensuring they deliver consistent power when you need it most.
Custom Motor Rewinding
For unique or specialized motors, our custom rewinding services offer tailored solutions to meet your specific requirements and operational needs.
Frequently Asked Questions
What is electric motor rewinding?
Electric motor rewinding involves replacing the windings in the motor to restore its efficiency and functionality. This process can extend the life of your motor and improve its performance.
How long does the rewinding process take?
The duration of the rewinding process depends on the size and complexity of the motor. Typically, it can take anywhere from a few days to a week.
Can all types of motors be rewound?
Most types of electric motors can be rewound, including AC and DC motors. However, the feasibility of rewinding depends on the condition and design of the motor.
What are the benefits of rewinding a motor?
Rewinding a motor can restore its efficiency, reduce downtime, and save costs compared to purchasing a new motor. It also helps in maintaining the original specifications of the motor.
How do I know if my motor needs rewinding?
Signs that your motor may need rewinding include unusual noises, reduced performance, overheating, and frequent tripping of circuit breakers. A professional assessment can confirm the need for rewinding.