Soil, earth construction: Caterpillar 613C elevating/self-loading scraper, 11 CY capacity, 175 hp, is moving earth to level land to a more even grade for construction of condominiums. Scraper is making a loading pass, with its bowl edge lowered to scrape up earth and paddle buckets rotating to pick up soil against bowl edge and elevate it to fall into the bowl. This is close upview of lower end of the chain and paddle elevating conveyor. We see four paddles, as they are lowered and rotated to pick up soil against the edge of bowl. The forward side of the elevating conveyor moves downward with paddle buckets pointing downward, and the rear side moves upward with the paddles pointing upward, holding excavated soil that they dump in bowl as they turn over at the top. Ann Arbor, Michigan 2006.