In-House Capabilities

Service & Repair

GPM provides world-class service & repair capabilities to hundreds of customers across North America. The GPM Service & Repair Center offers a wide variety of industrial pump repair services and other rotating equipment repair back to OEM specifications and tolerances.

Service & Repair

Our team specializes in the repair of rotating equipment, offering comprehensive solutions for your pump, blower, gearbox, and electric motor needs. With expertise ranging from submersible pumps to gearboxes, we tackle each repair project with meticulous attention to detail and commitment to quality. From detailed inspection reports to specialized machining repair and electric motor refurbishment, we provide a full spectrum of services to ensure your equipment operates at its peak performance. Discover how our dedicated professionals can keep your operations running smoothly and efficiently.

Rotating Equipment Repair

Pump Repair Options &  Blower Repair

There is a variety of equipment we’re able to service and repair, including:

  • Submersible Pumps
  • Vertical Turbine Pumps
  • Blowers
  • Gearboxes
  • Centrifugal Pumps
  • Overhung Pumps

Repair Documentation

Our pump specialists provide an in-depth disassembly report for each pump, highlighting the condition of each component and identifying what likely caused the issue. This report also identifies parts and compenents still in a condition fit for service. To save time and money, they are machined or balanced for reuse. 

  • Detailed Inspection & Assembly Reports
  • Failure Analysis
  • Balance Reports
  • Motor Test Results
  • Performance Test Results
  • Field Service Report
  • Repair History Tracking & Trending
  • Blowers
  • Multi-stage pumps
  • Self-primer
  • API Pumps
  • ANSI Pumps
  • Gearbox

Service Machining Repair

The GPM Service Machining Repair team can refabricate lightly worn shafts, couplings, impellers, and other items back to OEM specifications, saving on turnaround time and repair costs. Our factory-trained team uses state-of-the-art machining equipment and is highly skilled in a variety of unique skills, including:

  • Reverse engineering parts, including shafts, couplings, etc. 
  • Manufacturing stock parts to fit an assortment of specifications and clearances
  • Renewing clearances by sleeving or ringing rotating parts such as impellers and bearing bores to bring them back to tolerance.
  • Renew seal and bearing journals via spray welding
  • Shaft straightening and metalizing
  • Specialized in multiple metallurgical variations, such as stainless steel, cast iron, bronze, and aluminum

Electric Motor Repair

  • TEFC Motors
  • Submersible Motors
  • Static Motor Analyzer
  • Cable Replacement
  • EASA Member

Pump Testing

Confirming the pumps we service are designed, built, repaired, and back to performing to OEM specifications is critical to keeping our customers up and running. 

  • Full load pump performance testing
  • Curve Generation
  • Pump testing up to 400 hp, 300psi, & 2500 gpm


Our Service & Repair Shop utilizes precision equipment to re-fabricate and balance lightly worn parts and components, saving your bottom line and extending the life of your pump. 

  • <1lb up to 5,000lbs
  • Included Balance Reports
  • Meets ISO, API and ANSI Standards

Contact us today to confirm our ability to balance your equipment.

Field Service

Only available to North & South Dakota, Minnesota, and Wisconsin

GPMs skilled and knowledgeable field service team specializes in tasks relating to a plant’s various rotating equipment and will come to your plant for on-site service to get your operation back up and running in no time. 

  • Installation & Removal
  • Commissioning & Startup Support
  • Alignment
  • Vibration Analysis
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