The loader is a kind of earthmoving construction machinery widely used in highway, railway, construction, hydropower, harbour, mine and other construction projects, which is mainly used for shovelling bulk materials such as soil, gravel, lime, coal, etc., and can also do light shovelling and digging work for ore and hard soil. It can also be used for light shovelling and digging of ores and hard soil, etc. It can also be used for bulldozing, lifting and loading and unloading of other materials such as timber by replacing different auxiliary devices.