It is a new model for installation and maintenance of highway anti-collision guardrail post and beam newly developed according to users�� needs. (The equipment has obtained the national patent, No.: ZL 01 263422.0). The functions of this product are the same as NJJ series Truck-Mounted Pile Drivers. It adopts independent diesel engine as its driving force. The driving speed is 40-60 km/h. The equipment integrates pile driving and pile extracting, with 240�� rotating device. The equipment does not need turn the direction during driving and drawing the guardrail post on both sides. The equipment can operate independently when separated with the chassis, can adjust the hydraulic driving directions. It is equipped with brake device which is safe and reliable in operation.

Main Technical Specifications
Type of hydraulic hammer YC180 YC230
Size (L�GW�GH) mm 4200�G1800 �G2800 4200�G1800 �G2800
Engine Power KW 16.2 20
Radius of Gyration mm 2100 2100
Lateral Distance mm 860 860
Highest working height mm 4680 4680
Working pressure MPa 16 16
Pile extracting force KN 78.4 96.5
Impact frequency Hz 5.8-13 10-15
Working height of hydraulic hammer mm 700-3000 700-3000
speed km/h 40-60 40-60