The CATERPILLAR 621B (73V) scrapers are a powerhouse in the construction industry, known for their exceptional performance in earthmoving and material hauling operations. Equipped with a robust Cat 3406 engine, these scrapers boast a massive 23 cubic yard heaped capacity, allowing them to efficiently handle large volumes of material with ease. The 621B's innovative load-sensing hydraulics system ensures precise control and maximum productivity on the job site, while its durable construction and reliable components make it a top choice for contractors seeking a dependable and high-performing machine. Whether tackling large-scale excavation projects or moving heavy materials across rough terrain, the CATERPILLAR 621B scrapers deliver unmatched power, efficiency, and durability to get the job done right.