Quality Manufacturing & Fabrication
Office Hours Monday - Friday
8:00 AM - 4:30 PM

Heavy Mine Equipment Rebuild & Repair

Heavy Mine Equipment Specialists

Gemini Machine Works offers turnkey rebuild services for a wide variety of Heavy Mining Equipment including Electric Rope Shovels, Hydraulic Excavators, Haul Trucks and Draglines; including all associated sub-assemblies, components and wear parts.

Backed with the resources of our world-class machine works and new welding & fabrication facility, Gemini provides quality solutions that will optimize and extend the service life of your mining fleet equipment assets.

As a code certified repair facility, our dedicated team of industry professionals are qualified to complete your work to the highest standards, on time and on budget.


Component & Sub-Assemblies

Dippers, Doors & Excavator Buckets
Lower Car Bodies & Side Frames
Clams & Backwalls, Dipper Handles
Booms, Sticks & Saddle Blocks
Idlers, Load Rollers & Drive Tumblers
Undercarriage Components & Track Pads


Gemini services the North American Mining community with quality welding, machining and fabrication services. Unique in offering a complete range of manufacture and repair capabilities for heavy mining equipment.

  • Modifications to equipment
  • Fabrication & Repairs
  • Line Boring
  • Welding & Crack Repair
  • Automated Welding Systems
    • ESAB 1000 A, PLC Controlled Sub-Arc w/ 15′ X 12′ manipulator arm and 20 Ton Multi-Axis Positioner Table w/ 135° Tilt
    • Lincoln Sub-Arc 1000 A c/w NA5 Feeder – 10,000 LB Positioner Table
    • Lincoln Sub-Arc 1000 A c/w/ NA5 Feeder – 20,000 LB Positioner Table
  • Welding Processes
    • FCAW (Flux-Cored Arc Welding)
    • SAW (Submerged Arc Welding)
    • GMAW (Gas Metal Arc Welding)
    • MCAW (Metal-Cored Arc Welding)
    • SMAW (Shielded Metal Arc Welding)
  • In-House Engineering w/ Certified QMS Inspector Team
  • Fully Qualified Trades Personnel w/ Training & Backgrounds in Mine Equipment Repair
  • On-site Self Propelled Modular Transport (SPMT) & 90 Ton Rough Terrain Hydraulic Crane

Repair & Rebuilder Services

Brands Serviced

  • P&H©
  • TEREX©
  • O&K©
  • DEMAG©

Service Brochure

gemini mine equipment repair rebuild brochure

We’re not against printing. We’re against wasting resources.

Gemini encourages the use of digital formats, instead of printing, whenever possible.

Backed by World-Class Resources

Gemini Heavy Mine Equipment Rebuild & Repair capabilities are backed by our world-class machine works, welding & fabrication facility, rotating equipment repair center, state-of-the-art build-up and overlay stations and team of industry professionals & trades personnel. Our diverse range of project experience, capabilities, and technologies ensure our customer’s unique project needs will be met.

Gemini’s precision manual & CNC machine works capabilities include large diameter horizontal and vertical turning, CNC boring and milling, high capacity production machining and component assembly. Our Machine Works boasts a compliment of over 50 manual and CNC machine tools as well as an in-house Rotating Equipment Repair Center and dynamic balancing.

Gemini’s Rotating Equipment Repair Center is a reliable quality source for the inspection, repair, overhaul and upgrade of decanter type centrifuges, API-610 centrifugal pumps and gearbox drives. Every job is dismantled, cleaned and evaluated to determine and document the “As Found x As Repaired” rebuild scope. Components are then either refurbished or re-manufactured in-house to regain OEM dimensions and tolerances.

Our technicians also utilize a Schenck HM5B Dynamic Balancing & Diagnostic System.

Gemini Engineered Services provide custom design and drafting to support our customer’s needs for safe, innovative and effective equipment and component design. Our team utilizes the latest CAD system design software including SolidWorks w/ PDM 3D design modeling and MasterCam 2019.

Our customers benefit from our innovative work-in-progress job tracking platform. Get real time progress updates, request change orders and job acceleration online.

Visit GeminiMachine.com to register.