Patent ID: 8725358
Filing Date: 2014-05-13
Classification: E02F

Abstract:
1. A wheel loader that performs both a digging operation and a loading operation, which comprises a boom with a top end, and a bucket rotatably connected to the top end of the boom; the digging operation for lowering the bucket at the top end of the boom to a location near a ground, placing the bucket into a digging object, and rotating the bucket in a tilt direction to fill a load in the bucket; and the loading operation for raising the boom, approaching a load body and unloading the load in the bucket onto the load body; the wheel loader further comprising: a boom cylinder that actuates the boom; a pump supplying hydraulic oil to the boom cylinder; and a working state detection unit configured to perform a first judgment and a second judgment based on following conditions: a fluid amount control unit configured to execute fluid amount reduction control and reduce the amount of hydraulic oil supplied from the pump, when the result of the second judgment is negative.