Scrapers are construction equipments used mainly in digging, excavating & material hauling over relatively short distances. These are available in various sizes as well as configurations based on requirements of a project and can be towed ones or self propelled.
Self propelled ones could be auger type, push-pull ones or elevating ones. The wagon of the scraper has a gate that has bladed bottom. As wagon moves ahead, the blade scrapes earth up and the excavated earth gets pushed inside wagon.
Scraper Specifications
Scrapers have simple mechanics and are powered by either double or single engines. Scraper’s pull-push arrangement consists of 2 twin engine systems joined up for helping each other at the time of loading tasks. These heavy construction equipments are designed in a way that most of the weight concentrates near the blade.
You can use an auger scraper for loading laminated rocks, granular material or mud quite easily and elevating scrapers are useful where there is lesser rolling resistance. Essentially a scraper has large scoop which basically is a shallow steel container or bucket called bowl, this bowl excavates, hauls & dumps material at the new location.
Types of Scrapers
You can find 3 common types of these scrapers; towed, 3-axle & 2-axle.
Towed Scraper – It is a 4 wheeled scraper with bowl that is towed at the back of unit like crawler tractor.
3-axle Scraper – It has 2 wheeled bowl with a rear engine for assisting the 4 wheeled traction engine.
2-axle Scraper – Here the scraper bowl is 2 wheeled with attached power unit which is 2 wheeled.
Applications
You can use scrapers for different purposes such as:
- Prepare ground for new loads that regularly arrive.
- Assist in landfill work preparation.
- It digs, loads, hauls & dumps waste and helps in preparation of a location for construction work.
- Useful at road construction sites.
Some of the notable manufacturers of these scrapers are Caterpillar, John Deere, Ashland, Terex, Bobcat, Volvo & Reynolds. The good thing is that you can also purchase used scrapers from these heavy construction equipment manufacturing companies. There are used scrapers for sale on this site which you can check out if you are interested in purchasing one.
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