The swing arm garbage truck is equipped with a unified hydraulic lifting assembly, which transports the national unified swing arm garbage hopper through the left and right arms. It can carry multiple hoppers in one truck and has a self dumping function, achieving safety, stability, and reliable performance. The garbage bin body is divided into different forms of garbage bins configured according to swing arm and pit floor dual-use. It can be equipped with a sealing cover to prevent leakage, flying and pollution, to meet the requirements of different environments.