American suppliers are particularly strong in the following areas: front end shovel loaders; pile-drivers and pile-extractors; coal or rock cutters and tunneling machinery; other continuous-action elevators; bulldozers; other bulldozers and angle dozers; self- propelled boring or sinking machinery; buckets, shovels, grabs and grips; other buckets, shovels, grabs and grips of heading No. 84.29; parts of boring and sinking machinery; crushing and grinding machines for stones; and other crushing or grinding machines for stones.
Domestic production of mining equipment supplies around 20-25% of domestic demand. There are three companies assembling small size heavy equipment such as excavators, bulldozers, motor graders, wheel loaders and dump trucks. PT Komatsu Indonesia, PT Natra Raya and PT Hitachi Construction Machinery Indonesia produce more than 3,700 units of heavy equipment per year. In addition, other companies produce vibrating rollers, asphalt mixers, and forklifts.
Most of international suppliers such as Kobelco, John Deer, Bobcat, Volvo, Terex, Caterpillar, and Bomag are represented by their agents in Indonesia. In 2005, PT United Tractor with Komatsu and PT Trakindo Utama with Caterpillar held 45% and 32% of the total market of heavy equipment in Indonesia respectively. Other companies such as PT Hexindo Adiperkasa with Hitachi held 13% and PT Intraco Penta with Volvo held 5% of the total market.