A power-frame tractor is a heavy-duty vehicle used for transporting goods or equipment over rough terrain. Some synonyms that can be used to describe this type of machine include earthmover, bulldozer, excavator, loader, and backhoe. These terms highlight the work that a power-frame tractor can do, including shifting large volumes of dirt and debris, excavating building sites, and loading and unloading heavy equipment. Each synonym suggests a different type of work that a power-frame tractor can be used for, whether it's digging trenches or removing large boulders. No matter what you call it, a power-frame tractor is an important tool for construction and industrial work.