Doosan DX520LC-9C is a very large excavator, weighing more than 50 tons. It is definitely needed in some large construction sites and mines. It is the mainstream new excavator in the Doosan series. We can hardly find fault with its mechanical performance. Doosan DX520LC-9C excavator has passed various tests, and the performance of the engine, the structure of the excavator and the working efficiency meet the standards. Most importantly, the price of this excavator is relatively cheap among different brands and models of excavators.