introduction and Parameter:

Here is the English translation of the paragraph:

It is equipped with a Yuchai off-road four-cylinder engine, meeting national requirements for emissions and environmental protection. It adopts folded track frames and heavy-duty undercarriage components, with track leveling and piston travel motors to increase working pressure and enhance climbing ability. The pitch and boom lift cylinders are enlarged to meet the requirements for operation at extreme positions. The rotary torque and rotational speed are increased. A feed motor and chain drive are used for lifting to improve lifting force and reliability. The dust collector is enlarged to enhance dust collection efficiency. The cover shell uses thickened folded sections to increase strength and rigidity. Lifting rings are added for convenient loading, unloading, and lifting. The KG520H open-pit down-the-hole drill rig is equipped with an enlarged dust collector, making it more environmentally friendly and reliable during operation.