Operation control system of working vehicle

An operation control system of a working vehicle that performs an operation control of an operation unit, the operation control system comprising:

• a hydraulic pump configured to control the operation unit of the working vehicle by discharging pressurized oil based on a current value corresponding to an operation of an operating lever;
• a display configured to:
• display a selection screen on the display for allowing an operator to select an operation skill level among a plurality of operation skill levels of the operator as a selected operation skill level, the operation skill level corresponding to a level of the operator's skill level for operating the working vehicle;
• and
• display the selected operation skill level on the display;
• and
• a control device having a hydraulic pump controller, the hydraulic pump controller being configured to:
• receive the selected operation skill level;
• receive a degree of the operation of the operating lever;
• select the current value based on the selected operation skill level and the degree of the operation of the operating lever;
• and
• control a discharge amount, corresponding to the current value, of the pressurized oil from the hydraulic pump such that the operation unit of the working vehicle is controlled.