Description: Hydraulic rotary drilling rigs, model NR1801 DR/NR1802DL is offered. The main characteristics include moderate torque power unit, high efficiency; equipped American Cummins QSB5.9-240 engine and low oil consuming. The depth of drilling can be up to 55 mtr; the rotation speed of power head is 0-32R, adaptable to complicate construction; its main valve, Bosch-Rexroth's M7 valve, is unparalleled for its fine and reliable control mode rider compared with the other machines. Its high dependability, stability, high efficiency and low cost will bring high benefit to the consumer.
Other Catalogs (From Beijing North Tianyutongli Engineering & Mechanical Co. Ltd) :
