front-end loader

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An earthmoving machine with a hydraulic scoop in front for lifting and loading earth or rubble.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun a kind of four-wheeled tractor, often yellow, used in construction, which has a one-man cabin and a large scoop at the front which can be used to dig up dirt or other material
• noun the scoop of a front-end loader