Atlas Copco XAS 188 is a portable air compressor used for construction, roadwork, sandblasting, drilling, and general industrial air supply. It is part of Atlas Copco's XAS series of diesel-driven compressors, designed for mobile compressed air applications where reliable output and transportability are required. The XAS 188 typically provides a medium-capacity air delivery suitable for powering pneumatic tools and equipment on job sites. Common features include a compact trailer-mounted design, rugged enclosure, and service access for field maintenance. The model is widely used in rental fleets, contractor operations, and utility work requiring dependable compressed air.