The Caterpillar 963D is a tracked loader commonly grouped with wheel loaders in equipment databases, designed for material handling, stockpiling, loading, and site cleanup in construction, aggregate, and industrial applications. It features a Caterpillar diesel engine, hydrostatic drive, and a lift-arm loader arrangement for efficient bucket control and maneuverability on uneven ground. The 963D is used for loading trucks, moving bulk material, and general earthmoving tasks where traction and stability are important. Typical configurations may include general-purpose, light material, or multi-purpose buckets, along with cab and attachment options depending on application and market.