XM503 road milling machine is an asphalt road maintenance and construction machine mainly used for the maintenance operations of municipal roads and as the auxiliary construction implement for large milling machines.

It can realize the small-area digging and renovation of asphalt con- crete pavements, including highways, downtown roads, airports, cargo yards, and parking lots, and can be used for the removal of road bulges, asphalt ripples, overlapping curves, and tracks and for the scuffing of cement roads and the milling of pavement jumps. It can realize the milling along edges and manhole covers. It can realize the road crushing function if the optional hydraulic pickaxe is installed and realize the milling of roadside rumble strips if the optional rumble wheel is installed.

Featuring high working efficiency, simple construction processes, easy control of milling depth, easy and flexible operations, and good mobility, this machine is an ideal machine for repair, renovation, and maintenance of asphalt roads.