The P110-04 roadheader is meant for rocks unloading, handling and transportation of broken mass to the place of loading during mining development of arched, trapezoid and rectangular forms of sections from 10 m2 (finished) up to 30 m2 (overall) with inclination angle ±12° relatively to coal, rocks or mixed open pit with max. strength limit of rocks at uniaxial compression Ϭcompr = 120МPа (f = 8) and abrasive ability up to 18mg, in mines dangerous because of the gas (methane) or dust.