Mine System Solutions, Llc

Mine System Solutions (MSS) is a specialized heavy equipment solutions partner focused on rebuilding, repairing, and supplying high-value components for electric drive haul trucks and mining machinery. We support mines across North America and Latin America with rapid turnaround, component exchange programs, and fully engineered repair workflows that prioritize reliability, safety, and total lifecycle cost reduction. With dedicated facilities in the USA, Mexico, and Canada, MSS delivers OEM-level quality backed by precision machining, detailed failure analysis, structured WIP tracking, and disciplined maintenance processes. From wheel motors (GDY106/108, GE Transportation, Komatsu 930E/830E) and gearboxes to grid boxes, electrical cabinets, rotors, and bearing assemblies, we ensure every component leaves our facility ready to perform in the harshest mining environments. We understand the financial impact of downtime—so we build our business around minimizing it. Our immediate exchange inventory, structured repair-and-return programs, and customer-focused core management processes provide flexible options for mines looking to align cost, availability, and asset performance. At MSS, we don’t just repair parts—we engineer uptime