Caterpillar Inc. is a global manufacturer of construction, mining, and industrial equipment, along with engines and power generation systems. Its product portfolio includes heavy machinery such as excavators, bulldozers, and mining trucks, as well as diesel and natural gas engines used in marine, rail, and industrial applications. The company also provides financing, parts, and after-sales support through a global dealer network. Caterpillar serves industries including construction, mining, energy, transportation, and agriculture, and is one of the largest heavy equipment manufacturers in the world.;