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Cummins’ century-long mining legacy is underpinned by durable engine technology, customer partnerships and lifecycle support that keep fleets productive.
As Cummins celebrates a century of serving the mining industry, its success has been built on more than engines alone, with strong customer partnerships playing a key role in driving innovation and performance for the last 100 years.
The number ‘50’ holds a special place in Cummins’ mining history.
For decades, the company’s 50-litre V16 engine platform has powered mining operations around the world, earning a reputation for reliability, durability and performance in some of the industry’s toughest operating environments.
The platform’s heritage includes the KTA50 and K2000 engine variants and continues today through the QSK50, the latest evolution of Cummins’ 50-litre V16 platform. Developed for high-horsepower mining applications, the QSK50 combines proven durability with advancements in fuel efficiency, emissions performance and noise reduction.
Alcoa’s mining operations in Western Australia provide such an example of the effectiveness of the partnership, with operations combining decades of Cummins-powered equipment with a shared focus on productivity, reliability and long-term value.
Alcoa is one company in Australia with extensive experience operating Cummins-powered mining equipment, with bauxite mining operations at Huntly and Willowdale relying on Cummins engines for many years.
The partnership has helped support the movement of large volumes of material, helping keep production running efficiently.
“Partnerships like this are a testament to the work Cummins does in providing complete solutions across the mining value chain to ensure companies can do their best work,” Cummins director and general manager – mining Ben Clark said.
“Mining requires more than a reliable engine. Customers need the products, people, parts and technical resources to work together across the full equipment lifecycle.”
A long-standing relationship between Alcoa, Komatsu and Cummins reflects a shared commitment to operational excellence, reliability and continuous improvement, thanks to recent upgrades to equipment.
In recent years, Alcoa has introduced a new generation of Komatsu mining equipment across its Western Australian operations, replacing Cummins-powered haul trucks and excavators that had been in service since 2004.
“On the surface, you’d think engines would need to be replaced much earlier, but that just shows the engineering excellence we bring to the table,” Clark said.
“Our capability includes high-horsepower engines in haul trucks, excavators and drills to power generation and the transport equipment that helps move materials and product.”
The previous generation of equipment, powered by Cummins K2000 engines, delivered many years of reliable service and provided a strong foundation for the move to the latest fleet, with the transition, which began in mid-2023, “exceeding expectations” of what was possible, according to Alcoa maintenance superintendent for mobile equipment Ryan Wittorff.
The QSK50 engine now powers Komatsu 730E haul trucks and PC3409 excavators across Alcoa’s Huntly and Willowdale operations.
Building on the proven 50-litre platform, the latest generation of Cummins-powered equipment is designed to deliver dependable, high-horsepower performance in demanding mining applications.
The engine’s high-pressure common rail fuel system supports more efficient combustion, helping improve fuel efficiency and emissions performance while reducing engine noise.
“Alcoa’s proactive approach to maintenance, combined with the durability of the equipment and strong support from Cummins, has helped maximise uptime and deliver consistent results across the fleet,” Clark said.
“The success of any mining operation extends beyond the equipment itself, and the relationship between Alcoa, Komatsu and Cummins is central to supporting fleet performance.”
Large-scale equipment transitions like this rely heavily on support from key stakeholders, with Wittorff describing Cummins’ approach, from its branch in Bunbury, as “exceptional”.
This partnership is echoed in Alcoa’s disciplined ‘reliability excellence’ approach to equipment performance, with effective planning, collaboration and proactive maintenance measures supporting extended component life and dependable operations.
“The strength of the Cummins network is that customers can access support close to their operation, backed by specialist capability from across the region,” Clark said.
“The partnership-driven approach with Alcoa helps create long-term value and demonstrates the benefits of close collaboration between customer, equipment manufacturer and service provider.”
The work of Cummins across Australia comes as the company marks 100 years of serving the global mining industry.
For a century, Cummins has partnered with mining customers around the world, delivering reliable power solutions, technical expertise and service support to help operations maximise productivity and performance.
Today, Cummins continues to build on that legacy through ongoing innovation and a commitment to powering the future of mining.
This feature appeared in the October 2026 edition of Australian Mining.