XY-2L crawler mounted water well drilling rig is developed base on XY-2 Core Drilling Rig, integrating drilling rig, crawler, mast, mud pump and control panel into whole. The rig is a kind of drilling rig which is mainly used for drilling shallow-medium hole for minerals,engineering geological, hydro-geological, water well and pile grouting hole drilling, and especially for where mobility and set up time are imprtant. It is a type of integration and modular drilling equipment with quick migration.