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This model is equipped with a dual motor rotary head and a multi way valve with adjustable rotary speed. The rotary torque can reach 1950Nm, meeting the requirements of 76 drill pipes and 130 apertures. The maximum rotation speed can reach 150 revolutions, meeting the needs of some customers for high-speed drilling in soft rock formations. At the same time, the 416 series models are equipped with engineering track and plunger motors as standard, making the climbing ability stronger and the quality more stable and reliable. This model has the highest configuration among similar models.