The Sullair 185DPQ is a portable air compressor used in construction, utility, and industrial applications. It is designed to deliver reliable compressed air for pneumatic tools, sandblasting, drilling, and general jobsite air supply. The 185DPQ is part of Sullair's portable compressor lineup and is commonly configured for trailer-mounted transport and field use. Typical features include a diesel-powered engine, rotary screw compression, and durable enclosure construction for outdoor operation. The model is identified under the Air Compressors category and is referenced for mobile compressed air production in demanding work environments.