Lay-Mor SM400 is a compact sweeper designed for municipal, industrial, and commercial cleanup applications. As part of the Lay-Mor sweeper line, the SM400 is used for collecting dirt, debris, and light litter on paved surfaces such as streets, parking lots, sidewalks, and job sites. It is typically configured for efficient maneuverability in confined areas and routine maintenance cleaning. The model is associated with sweepers used in construction support, facility maintenance, and public works operations. Lay-Mor SM400 sweeper specifications, attachments, and configuration details may vary by year and setup.