Construction Machinery Shantui SD20 Mini Bulldozer Trimming Crawler Dozer for Sale

Featuring advanced and reasonable structure and good performances, this product adopts technologically mature crawler overall structure and drive technology and is fitted with special trimming blade working device to realize the bulldozing and trimming of the handled material. The high performance air filter and the large radiator tank can fulfill the operations under severe environments, including heavily dusty environment and high temperature environment.

Technical Features

 1. It’s equipped with Weichai WD12 engine and three-stage air filter and is additional fitted with anti-scalding device, featuring higher efficiency and better energy-saving.

2. The imported bearings for the transmission and main drive and the friction plates of higher skid and wear resistance and better anti-pollution capacity are adopted to achieve more excellent operating performances of the trimming bulldozer.

3. The cooling system adopts enlarged water tank and straight-through type core. The three-point (up and down) shock-absorbing installation for the radiator features higher stability.

4. The lifting cylinder of the hydraulic system adopts the bushing cap structure, featuring convenient maintenances.

5. The electric circuit design of the whole machine adopts the water-proof circuits and water-proof fuse case. It’s additionally fitted with oil temperature, oil pressure, and water temperature alarms and reversing alarm.

6. The floating oil seals within the guide wheel, roller, and track roller can prevent the ingress of dusts and the leakage of lubricating oil to guarantee the high durability.

7. The working device is controlled directly by the valve stems, featuring high reliability, lightness, and rapidness, and the locking mechanism features easy and reliable operations.

8. The full box-type main frame features high carrying capacity against impact load and bending moment and the high quality welds guarantee the life cycle of the main frame.

9. New cab features good sealing performance and low noise and the instruments are reasonably arranged to realize convenient and rapid operations.

Performance Parameters