How Does a Scraper Work

scraper, in engineering, machine for moving earth over short distances (up to about two miles) over relatively smooth areas. Either self-propelled or towed, it consists of a wagon with a gate having a bladed bottom. The blade scrapes up earth as the wagon pushes forward and forces the excavated material into the wagon.

What is the point of a scraper?

Scrapers are used to move or remove dirt, gravel or other material from the ground surface. Though they are specially designed for this purpose, they can also perform tasks such as: Excavation. Levelling.

How many yards does a 657 scraper hold?

The largest of eight machines in the G Series wheel tractor-scrapers, the 657G has a heaped capacity of 44 cubic yards and a rated load of 104,058 pounds. Maximum travel speed is 36 mph.