REBUILDS as Cat ® Product Link™ and Cat ® MineStar™ Health deliver critical health insights to ensure peak fleet performance.
It added:“ Together, mining companies, Cat dealers and Caterpillar experts can identify when a rebuild might be beneficial by closely monitoring equipment condition, performance and maintenance history. Indicators include increased downtime, declining performance, rising maintenance and operating costs and, component wear approaching critical limits.”
Regular inspections, diagnostics and audits play a crucial role in this process. For example, Cat MineStar Health allows customers to analyse data on the equipment’ s health, such as fluid analysis, component wear measurements, vibration analysis and system performance metrics. Cat Product Link wirelessly connects to equipment and provides data on machine fleet performance by providing information on location, hours, fuel usage, productivity, idle time and diagnostic codes. This information helps anticipate failures before they occur and supports data-driven decisions about the optimal timing for a rebuild.
Cat dealers support customers with proactive asset management. By performing thorough inspections, providing technical assessments, and delivering clear reports that highlight rebuild opportunities.
When planning equipment rebuilds, Caterpillar told IM that mining companies should consider several key factors to ensure their investment delivers maximum value and physical availability:
• Timing and Equipment Condition: Evaluate whether the rebuild aligns with the equipment’ s lifecycle and operational condition. Early planning based on wear trends and diagnostics helps prevent unplanned downtime.
• Scope of Work: A detailed inspection report is essential to accurately define the scope and required parts.
• Cost vs Replacement: Compare the rebuild cost against the cost and lead time of a new machine. Rebuilds often offer significant savings while restoring performance and extending life.
• Downtime and Logistics: Factor in the time required for transport, rebuild, testing and return to operation. Advanced scheduling will help maximize productivity.
• Demand Planning: Planning in advance ensures critical parts and components are available during the rebuild process, avoiding unnecessary delays.
• Warranty and Support: Consider what postrebuild support and warranty coverage will be provided by your machine dealership.
Recommissioning is the process of bringing rebuilt equipment back into active service safely, efficiently and in line with performance expectations. It is the final and critical stage of the rebuild lifecycle. During this process, Cat says its dealers follow detailed machine protocols to ensure all systems- hydraulic, mechanical, electrical, and electronic- are tested and optimised before deployment.
They also assist with on-site setup, ensuring the rebuilt machine aligns with mine-specific operational needs( eg terrain, duty cycle, loading patterns). And they offer refresher training for operators and maintenance staff to align with any updates or performance differences in the rebuilt equipment. Finally, they monitor performance, adjusting parameters as needed and running diagnostics to catch
The company concludes:“ Cat Reman has played a pivotal role in supporting machine rebuilds by remanufacturing components for the last 50 years to a like-new condition. This process not only reduces waste and lowers costs but also ensures customers get maximum value from their Cat equipment. Our commitment to quality and innovation has helped extend the life of machines across the globe, making Cat Reman a cornerstone of our repair option strategy. Looking ahead, the demand for rebuilds is expected to increase as mines extend the operational life of their fleets; digital monitoring improves condition-based rebuild planning; and sustainability metrics play a larger role in decision-making.”
CCRs, large mining trucks and Freeport
Looking to Caterpillar large mining trucks as an example – it says they are built to be rebuilt- from the frame and powertrain to the engine and components- delivering multiple lives of like-new performance at a fraction-of-new price. And Cat truck owners have a proven option when it comes time to rebuild them: the Cat Certified Rebuild Program( CCR).
This complete machine rebuild program was developed by Caterpillar to offer Cat equipment owners the best machine rebuild option for their current and future needs. CCR program options include a basic component rebuild of the various major powertrain components( CMCR), a complete Certified Powertrain rebuild( CPT), and a complete, as good as new, Certified Machine Rebuild( CMR). All are developed and endorsed by Caterpillar and performed only by certified Cat dealers.
Since the program began in 1985, Cat dealers have completed more than 50,000 CCRs on machines, powertrains and components. And since 2006, Caterpillar mining customer Freeport McMoRan has benefited from more than 400 of them.
About 20 years ago, Freeport adopted a rebuild program in collaboration with Caterpillar and Cat dealer Empire Southwest to support its large fleets of Cat trucks operating in mines around the world. The leading international copper producer is headquartered in Phoenix, Arizona, USA, with mines in North America, South America and Indonesia.
By taking advantage of the Cat Certified Rebuild Program, Freeport has found opportunities to reduce capital expenditures while maintaining the physical availability and reliability needed to meet production goals.
In addition, rebuilds provide an opportunity to update existing machines with the latest upgrades and technologies to support efficiency and sustainability goals. For example, rebuilt Cat 793 trucks at Freeport’ s Bagdad mine have been retrofitted with Cat MineStar™ Command for hauling, which enables a fully autonomous haulage operation. Autonomous haulage can help improve operating efficiency and enhance safety by removing people from the area of operation.
Contractors and rebuilds – Thiess continues growth in Batam
Since opening in January 2024, the Thiess Rebuild Centre on Batam Island, Indonesia, has rebuilt 54 Cat mining trucks – 39 Cat 789s and 15 Cat 785s. Each rebuild incorporates product updates and technology improvements resulting in improved machine productivities, enhanced mining efficiencies and lower costs for clients.
All machines undergo a comprehensive restoration to a zero‐life standard, returning it to as‐new performance and extending its operational lifespan. Enhancements include safety features aligned with the latest industry standards, as well as industry-leading composite carbon fibre reinforcements to extend asset life and durability. Rebuilt units have been deployed to Thiess’ global operations, including nine Cat 785C trucks to Indonesia, and 39 Cat 789C and six Cat 785C trucks across Australia. There are a further six Cat 785C units and three 18M graders currently being prepared for shipment to Western Australia.
Long term there is also a road to net zero element in Thiess’ s rebuilds program. The intent is to extend the current trucks’ service life until they can be replaced by alternative low or zero carbon emissions trucks when the technology is commercialised. The intent is to extend the current trucks’ service life until they can be replaced by alternative low or zero carbon emissions trucks when the technology is commercialised.
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