Power output device lubricating system and mining truck comprising same

The embodiment of the utility model discloses a power output device lubricating system and a mining truck comprising the same, which belongs to the technical field of the vehicle lubrication. The power output device lubricating system comprises a gearbox and a power output device, wherein the gearbox conveys the lubricating oil to the power output device through a power output device oil inlet pipeline, a power output device shell is communicated with a gearbox shell, the lubricating oil entering the power output device flows into a gearbox oil bottom shell through the power output device shell, and once circle is completed. The outside of the power output device is connected with the gearbox through the pipeline, so that a filter system of the mining truck gear box and a cooling system of the gearbox are integrated so as to forcedly lubricate and cool the power output device and to filter the lubricating oil flowing by the gearbox filter system, a circulating lubricating system is formed, the service life of