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Las Bambas Cat mining fleet from Ferreyros: haulage strategy notes for engineers

June 1, 2026|

Reviewed by Joe Ashwell

First reported on International Mining – News

30 Second Briefing

Minera Las Bambas SA, part of MMG, has ordered a major new Caterpillar fleet from Peruvian dealer Ferreyros, with scope to expand to 45 units, anchored by 27 Cat 798 ultra-class trucks rated at 400 t payload. Ferreyros is scheduled to deliver more than 20 machines in 2026, signalling a substantial ramp-up in high-capacity haulage at the Las Bambas copper operation in Apurímac. The deal points to continued preference for ultra-class diesel haulage over trolley or autonomous solutions at this high-altitude open pit.

Technical Brief

  • Contract allows expansion to a total of 45 Caterpillar units across the Las Bambas fleet.
  • Remaining units under the 45-machine potential provide flexibility for staged deployment aligned with mine plans.
  • Dealer-based contract structure implies bundled product support, parts logistics and in-country maintenance capability.
  • Concentration of a single OEM across ultra-class haulage simplifies spares inventory and operator training regimes.
  • For similar high-altitude copper operations, such dealer-OEM frameworks can de-risk fleet renewal scheduling.

Our Take

MMG’s decision to scale up the Las Bambas truck fleet aligns with its board-approved expansion at Khoemacau Copper Mine in Botswana, signalling that the company is positioning multiple copper assets for higher throughput ahead of the structural copper deficit highlighted in our copper coverage.

A potential build-out to 45 ultra-class units at Las Bambas suggests MMG is optimising for large-scale, long-haul copper operations, which typically favour 400 t-class trucks to reduce unit haulage costs and support higher mill utilisation without immediate pit re‑design.

MMG appears frequently in our Latin America and critical minerals items, including US-backed financing pieces, so a sizeable Caterpillar fleet order at Las Bambas may also be read as a confidence signal to lenders and offtakers that the asset will remain a core long-life copper supplier.

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Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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