GmmcoAssist-Repair Center provides a wide range of customizable repair and rebuild options to give your equipment, DG sets and components a new lease of life. Our capabilities across range have been accredited with 5-Star Contamination Control, ISO Certified to meet world-class quality standards, repair and rebuild bundle offers to highly trained Cat certified engineers.

Our Services

  • Engine Repair
  • Transmission Repair
  • Machine Rebuild
  • Hydraulic Cylinder Repair
  • Hydraulic Hose Manufacture & Repair
  • Undercarriage Repair
  • Axels, Brake GP Repair
  • Fuel Injection Pump Repair
  • Fluid Analysis
  • Others
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We offer different levels of repair options which cover engine repair before breakdown, overhaul of engine including or excluding injector, fuel pump, turbo charger, inspection of components, replacing seals, gaskets, replacement of bearings, dealer build repair, dealer build repair with Reman components, dealer build repair with replacement of short and long blocks. Options also cover major and minor overhaul, Gmmco exchange and replacement of Cat new engine for all your engine related repairs. Minor repairs for transmission are carried out at your site and major repairs are undertaken at our repair center. We provide options for a new Cat engine to give your equipment the power it needs.

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Gmmco’s state-of-the-art Machine Rebuild Centre (MRC) facility at Nagpur and Chennai is equipped to rebuild and test all major components meeting the same safety, quality and contamination standards as for a Caterpillar factory. MRC provides a Certified Machine Rebuild Service for Caterpillar Construction, Mining and Underground Mining Equipment through highly-trained rebuild engineers operate following processes applied by Caterpillar. MRC offers Equipment Midlife & Extended Life Program that covers 50 plus tests and inspections done by experienced engineers through technical audit, inspection of weld joints of Chassis frame by NDT test, rework if necessary, repairing components like engine, transmission, hydraulic, cylinders, hydraulic pump and motors, operator station and electrical harnesses, replacement of hoses, seals and other critical parts, load testing of machine and painting with new identity graphics. You are also supported with new machine warranty coverage* and Cat Finance for repair cost*.

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Gmmco Hydraulic Cylinder Repair Shop is a state-of-the-art repair center at Nagpur, equipped with the most advanced and latest tools for carrying out repairs. Cylinder Repair Bundle Solutions range from a basic repair to expert premium covering reseal, polishing, bearing replacement, honing, new piston rod replacement, tube replacement and others. The repairs are carried out as per OEM specifications by experienced technicians with a faster turnaround time and 12 months warranty* (*T&C apply). The Caterpillar seal is used for optimum performance and repair cylinders undergo load, leak and cycle tests.

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Gmmco Hose Assembly shop can manufacture Hoses! Our Cat Hoses and Couplings offer unrivalled performance and durability on all kinds of equipment and brands. Multiple-ply hose, strengthened with high tensile reinforcement wire, couplings forged and machined from high tensile strength steel, heat treated and plated to ensure maximum durability and corrosion resistance. Cat hydraulic Hose and Couplings are subjected to the most rigorous testing in the industry, and they are tested as a system and not as separate components to ensure a perfect fit that delivers maximum safety and dependability. Our dealer technicians are uniquely skilled to assemble and install Cat Hoses and Couplings on Cat and other brands using the latest tooling, assembly information, routing standards, inspection techniques and contamination control processes.

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Gmmco’s state-of-the-art facilities meet world-class quality standards for repair, rebuild and contamination control. The Component Rebuild Center at Nagpur is accredited with 5-Star Contamination Control which is retained for the 11th consecutive year. The Integrated Repair Facility at Chennai is certified by DNV -ISO 9001:2015, 14001 & 45001. Comprehensive inspection, testing, repairs and other operations are carried out in dedicated facilities for hose crimp, components, dynamo, load bank testing, hose rebuild and more, offering you world-class repair. The engineers who work on your equipment are highly-skilled Cat certified technicians who ensure high-quality standards are maintained. We also have an oil testing lab (SOS) to conduct fluid analysis to understand and predict the health condition of your equipment.

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Using sophisticated analytical technology, experienced technicians perform testing on oil and coolant samples that have been taken at regularly scheduled intervals. Experts provide you with easy-to-understand, clear, concise and timely reports, reflecting careful interpretations and recommendations. The service enables you to detect problems early to prevent major failures, helps you schedule downtime and manage your workload, monitors positives as well as negatives, so you won't have to pay for the repair of components that are not worn out, monitors maintenance schedules for better performance, enables you to better manage budgets by predicting repairs, downtime and equipment life, helps you develop a complete service history for each machine, documents service history for a higher price at trade-in or sale.

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Engine rebuilding in time-lapse at Gmmco Repair Center


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Component Repair Options

Machine Rebuild

Hydraulic Cylinder Repair

Hose Manufacturing & Repair

Track (Undercarriage) Repair


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