The Caterpillar 963D is a tracked loader often grouped with wheel loaders in equipment listings, designed for material handling, stockpiling, loading, and site cleanup in construction, quarry, and industrial applications. It features a Caterpillar diesel engine, hydrostatic drive, and a high-capacity bucket system for efficient loading and transport of loose material. The 963D is known for balanced traction, operator visibility, and compatibility with a range of work tools and attachments. Common uses include aggregate handling, waste management, and general earthmoving. The model is part of Caterpillar's medium-size loader lineup and is used in demanding jobsite conditions.