LQ-300 track type rig is impact Rotary type rig, whole car gravity low, climbing more smooth, and more security, adaptability strong, used new hydraulic technology, Rotary torque big, advance, and upgrade smooth fast, control disc operation handles concentrated control, operation simple, operation hand can station in host side for drilling job, improve has job safety. its internal structure and General drill different, its distribution gas and piston reciprocating institutions is independent of, that impact device. its front-end directly joins bit, Join the drill pipe at the back end. this product (LQ-300 crawler drill) the main technical parameters are as follows, maximum depth of hole 100m-300m, drilling diameter maximum 300mm 2000mm-3000mm drill pipe length, power stroke 4600mm, drill diameter 89mm/108mm, lifting capacity 25T, Rotary torque 10000NM, carrying mode: hydraulic crawler, walking speed 3000km/h, climbing capacity is 30 °, Dimensions 3000mm*1700mm*2300mm, weight 7000kg.