The TH550 is an articulated dump truck for underground mining an tunneling. With a payload of 50 metric tons (55 sht) it is a medium sized vehicle in the Sandvik product range. It is powered by an 551 hp diesel engine and the operating weight is just short of 36 tonnes (80,000 lb)

By the green handrails, the model can be identified as belonging to the first, limited production series.