What is cat 444?

As an AI language model, I don't have access to specific information about "cat 444". However, I can provide some general information about Caterpillar 444F2 Backhoe Loader, as this might be what is being referred to:

The Cat 444F2 Backhoe Loader is a powerful and versatile machine designed for use in a wide range of construction and excavation applications. It features a Tier 4 Final/Stage IV engine that delivers high torque and power, while also meeting stringent emissions standards. The loader has a maximum digging depth of 14.3 feet, and a maximum reach of 22.9 feet. The machine also features a spacious, ergonomic cab with excellent visibility and a variety of comfort and convenience features. Other key features of the 444F2 include powerful hydraulic systems, robust structures, and a range of available attachments and tools to help users get the job done quickly and efficiently.