Patent ID: 8954242
Filing Date: 2015-02-10
Classification: E02F,F02D

Abstract:
1. A wheel loader comprising: a vehicle body frame; an engine installed in the vehicle body frame; a working unit including a boom and a bucket mounted to a front end of the boom, the working unit being disposed forwards of the vehicle body frame; a cab accommodating therein an operator seat, a boom operating member configured and arranged to operate the boom and an operating member configured and arranged to switch forward/rearward travelling; a first sensor configured and arranged to detect that the operating member for switching of forward/rearward travelling is located in a neutral position; a second sensor configured and arranged to detect that the boom operating member has been operated; a third sensor configured and arranged to detect an operation angle of the boom, an engine control unit configured to execute a limitation control to limit a maximum rotation speed of the engine to a predetermined rotation speed in order to reduce vibrations in the wheel loader attributed to engine rotation in a power mode of the engine, the limitation control being executed when the following conditions are satisfied: a first condition that the operating member for switching of forward/rearward travelling is located in the neutral position and a second condition that the boom operating member has been operated such that the operation angle of the boom is an angle indicating separation of a bottom plate of the bucket from the ground.