The CATERPILLAR 631B (46U) scrapers are a powerhouse in the construction industry, known for their exceptional performance and durability. With a massive 31 cubic yard capacity and a powerful 3306 turbocharged engine, these scrapers can handle the toughest jobs with ease. The 46U model features a reliable planetary power shift transmission, allowing for smooth and efficient operation on any terrain. Equipped with a comfortable cab for the operator and advanced hydraulic systems, the CATERPILLAR 631B scrapers are a top choice for contractors looking to maximize productivity and efficiency on the job site.