YBD-450 Trailer Type Water-well Drilling Rig is a trailer towing type drill with turning table and is mainly mechanically driven and partiaily hydro-operated. The machine uses a positive cycle pump. Twin winding benches and the mud pump are equipped on the machine. The rig is integrally built frame, lifting by hydro-pressure, so that it is easy to move and high in mechanization. Both diesels and electrical generators can be used to supply the power.

The drill can be applied to the exploration of hydrology and geology, water well drilling, underground tunnel, ventilation holes and construction holes, drilling impact layer of clay, gritstone, bedrock etc. It can also be widely used in metallurgy goology, oil exploration, coal mining, forest, army troop and construction material industries.