The Doosan DL420 is a wheel loader designed for material handling, loading, stockpiling, and general earthmoving applications. It is part of Doosan's DL series and is commonly used in construction, quarry, aggregate, and industrial site operations. The DL420 is typically equipped with a diesel engine, articulated steering, hydraulic lift and bucket systems, and an operator cab configured for visibility and control. Wheel loaders in this class are used to move bulk materials such as soil, gravel, sand, and demolition debris. The DL420 is recognized for its utility in high-production loading tasks and site support operations.