scraper
Machine that uses a blade to scrape the ground or roadbed and store the rubble in a bowl for disposal.
tractor engine compartment
Part of the machine made up of a powerful diesel engine and a cab from which to drive and operate it.
cutting edge
Usually toothed blade that is mounted on the front of the bowl; it scrapes off the top layer of a roadway or other surface.
draft arm
One of two shafts on each side that is supported by the draft tube; the bowl is raised and lowered between them.
draft tube
Transverse tube welded to the gooseneck; it supports the two draft arms and uses hydraulic cylinders to lower and raise the bowl.
elevator
Belt fitted with chains and vanes that pulverizes the excavated material and chucks it into the bowl; in reverse gear it empties the bowl.
steering cylinder
One of two hydraulic cylinders on each side of the gooseneck that articulates with the bowl behind the tractor.
bowl
Open container in the front with a cutting edge; it is loaded and unloaded while in operation and removed for transport.
previous