XM503K milling machine is a kind of asphalt pavement maintenance machinery which is mainly used for the maintenance of municipal roads and as the auxiliary machinery for the construction of large milling machines. It can be used for small-scale excavation and renovation of asphalt concrete pavements of highways, urban roads, airports, freight yards, parking lots, etc. It can efficiently remove road congestion, waves, mesh patterns, ruts, etc.; roughen the cement pavement, and mill the surface faulting. It is capable of milling along the roadsides and manhole covers. If the machine is equipped with a hydraulic hammer, it can be used for breaking the pavement; it can be optionally fitted with wheels for rumble strips to mill the rumble strips along the roadsides.