A crusher is an industrial machine that mechanically reduces large pieces of rock, stone, and ore into smaller, processable aggregates. Typically manufactured as jaw, cone, or impact crushers, material is fed into the machine using a vibrating feeder and repeatedly crushed until the target size is reached. Crushed material is then passed through vibrating screens to classify the particles by size, with oversized material returned to the crusher for further processing. Crushers produce uniform aggregate essential for roadways, bridges, dams, concrete and asphalt plants, quarry operations, mining sites, and recycling facilities.

A mobile crusher is a portable crushing and screening unit mounted on a wheeled or tracked chassis. It processes materials on-site, reducing transport costs and installation time. Material is crushed and classified before being conveyed to storage. Mobile crushers are powered by diesel or electricity and are ideal for construction sites, road projects, temporary mining areas, recycling operations, and disaster relief sites due to their rapid deployment capability. However, their production capacity is generally lower than stationary systems.

A stationary crusher is a permanently installed, high-capacity crushing and screening plant built on concrete or steel foundations. Raw material is fed from bunkers or silos, initially crushed in a jaw crusher, then refined using cone or impact crushers. Vibrating screens classify the crushed material by size, and suitable product is conveyed to storage or dispatch areas. Operated under PLC automation, stationary plants offer continuous 24/7 production. They are favored in high-volume operations such as large quarries, mining sites, concrete and asphalt plants, port fill operations, and infrastructure projects.

Key differences between stationary and mobile crushers relate to portability, setup time, production capacity, and infrastructure needs. Mobile crushers are easily transportable, quick to deploy, and require minimal infrastructure, but they offer only moderate capacity. Stationary plants provide high capacity and continuous operation, though they require significant infrastructure, longer installation time, and cannot be moved. In the long term, they offer lower per-unit costs.