Scraper Tractor 売り出し中
すべて
オークション
即時販売
業界: 4wd-トラクター
15件の結果
.Wentzville, MO
3,798 時間
What is a scraper tractor used for?
A scraper tractor pairs a tractor, crawler, or rubber-tired unit with a scraper bowl to cut, haul, and spread dirt in a single pass. They're used for large-scale earthmoving jobs like leveling building pads, stripping topsoil, building road subgrade, and fine-grading agricultural land, where moving high volumes of material over short to medium hauls makes a scraper more efficient than a separate loader-and-truck combination.
Pull-type or motor scraper - which do I need?
A pull-type (towed) scraper is hitched behind a separate tractor or crawler, which keeps purchase and maintenance costs lower and lets you swap the pulling tractor between jobs. A self-propelled motor scraper combines the power unit and bowl into one machine, trading flexibility for speed and productivity on bigger, repetitive earthmoving jobs. Elevating scrapers add a conveyor on the bowl to load material more evenly, which helps in lighter or sandier soils where a standard cutting edge struggles to fill the bowl.
What size scraper tractor do I need?
Match the scraper's bowl (struck) capacity and the tractor's horsepower to your haul distance and soil type - heavier, stickier soils and longer hauls call for more horsepower and a larger bowl to keep cycle times reasonable. For smaller grading and finish work, a lighter pull-type scraper behind a mid-size tractor is often more practical than a large motor scraper built for high-volume mass earthmoving.
What should I check before bidding on a used scraper tractor?
Check the cutting edge and bowl floor for wear, since a worn edge struggles to load efficiently and is one of the more common wear items on these machines. Inspect the apron and ejector (or tailgate) mechanism for smooth operation, check hydraulic cylinders and hoses for leaks, and look at the hitch, drawbar, or gooseneck connection for cracks or excessive play. On the pulling tractor or power unit, check engine and hydraulic hours, tire or undercarriage condition, and confirm the hydraulic flow matches what the scraper needs to cycle properly.