DL800A boasts integral horizontal directional drilling machine with crawler.The master hydraulic system features closed loop that contributes to higher work efficiency.264KW engine and powerful air cooling system can run reliable for long time even in the hot area,Its conpact structure and exllent climbing ability results in more convenient transfer and transportation.It applies multi-gear stepless variable speed function that can run the drilling machine effectively under different conditionsgreatly improving the work efficiency>Its crawler combined of steel and rubber,speed-up automatic hydraulic alarm system and hydraulic system all employ imported brabds and the patented device(manipulator) can improve the work efficiency by more than 20%.