The CATERPILLAR 639D (99X) scrapers are a powerhouse in the construction industry, known for their impressive hauling capacity and efficiency in moving large volumes of material on job sites. Equipped with a robust engine and advanced hydraulics, these scrapers deliver exceptional performance in challenging conditions, making them a top choice for earthmoving projects. The 639D models feature a spacious cab with ergonomic controls for operator comfort and productivity, while the durable construction ensures longevity and minimal downtime. With their versatility and reliability, the CATERPILLAR 639D (99X) scrapers are a valuable asset for any contractor looking to maximize efficiency and output on their projects.