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Komatsu builds giant yellow machines that dig, haul, and push dirt for construction and mining companies.
Komatsu is one of the two biggest makers of heavy construction and mining equipment in the world, battling Caterpillar for the top spot. Its core business is building the machines you see at any big dig site: excavators, bulldozers, dump trucks, wheel loaders, and drills. It sells mostly to construction companies, mining operators, and rental fleets, and it makes money both from selling the machines and from the parts, service, and maintenance that keep them running for years. That after-sale business matters a lot, because a giant mining truck needs steady care, and Komatsu captures that recurring revenue. Roughly 90 percent of sales come from construction, mining, and utility equipment, with the rest from industrial machinery like presses and forklifts.
Think of it as the maker of the tools that build the world's roads, mines, and cities — and then the mechanic who keeps those tools alive. Beyond selling iron, Komatsu is pushing hard into the digital side. Its "smart construction" arm sells software, drones, and automation that help customers move dirt more precisely with fewer people, a big deal in countries like Japan where workers are scarce. The company also invests in autonomy: it has self-driving mining trucks hauling ore in places like Australia and Chile, which cuts costs for big miners. Komatsu is betting that the future of digging is less about muscle and more about brains and data.
Financially, Komatsu is a cyclical business — it thrives when construction and commodity prices are strong and struggles when they cool. It uses its cash to pay dividends, buy back shares, and fund acquisitions, such as its deal for American mining equipment maker Joy Global in 2017, which deepened its mining reach. Founded in Japan in 1921 as a maker of farm tools and later tractors, it grew into a global powerhouse headquartered in Tokyo. The simple takeaway: Komatsu sells the machines that move the earth, then keeps selling the service and software that make them work — and when the world builds and mines, Komatsu gets paid.
Saved answer · last researched 11 Oct 2026