It is a new product developed by us. The product claims good mobility, low oil consumption and reliable brake system. The cab can hold 5 persons, with air conditioning device and can carry installing and repairing materials such as guardrail posts and beams of around 2.5 ton. The chassis of the truck mounted pile driver is isuzu brand vehiclef+s chassis. Special mounted equipment is national patented product, the patent no. Is zl 01 263422.0. The special hydraulic equipment has appropriative tools, which can do pile driving and pile extracting for guardrail post easily, with turning around of 240fp, so that it is unnecessary to turn the direction of the truck-mounted pile driver when driving and drawing the posts on both sides. With the characters of easy operation, convenient repairing and good reliability, the product can greatly reduce the working strength, improve the installing and maintenance quality and speed, thus being the best product for installation and maintenance of highway guardrail post and beam. The product has been widely applied to the dozens of highway in the country; all these products are quite welcomed by users. Main technical specifications Item Unit Njj5071tqx Njj5072tqx Type of chassis Nkr77lllwcjay Nkr77lllwcjay Weight Kg 4300 4350 Max. Weight Kg 6500 6550 Max. Load Kg 2200 2200 Person capacity Person 5 5 Size (lf+wf+h) Mm 6250f+1880f+2850 6250f+1880f+2850 Max. Speed Km/h 95 95 Rated power Kw 96 96 Rotating speed R/min. 2999 2999 Working pressure Mpa 16 16 Pile extracting force Kn 78.4 96.5 Working height of hydraulic hammer Mm 700-3000 700-3000.