| 摘要 |
PURPOSE: A construction machine is provided to ensure high performance of various functions and high operation reliability by lubricating a transmission regardless of the rotation speed. CONSTITUTION: A construction machine comprises a transmission(3), one or more hydraulic drives(5,5') for operating the transmission, a hydraulic circuit for supplying hydraulic fluid to the hydraulic drives, a lubrication line(10) which is branched from the hydraulic circuit to supply hydraulic fluid for lubrication of the transmission, and a dosing device equipped with a dosing pump(16) which is arranged in the lubrication line and connected to the transmission mechanically.
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