PROBLEM TO BE SOLVED: To provide a driving part structure of a working vehicle excellent in cooling efficiency.SOLUTION: Oil coolers 70A and 70B for cooling operating fluid of a hydraulic device provided in a vehicle body are arranged in a part between a radiator 60 and a filter. An intercooler 80 for cooling the air to be sucked to an engine 20 and a condenser 90 for cooling refrigerant of an air conditioner of a cabin are arranged in a part between the oil coolers 70A, 70B and the filter, which are displaced from each other in the vertical direction to obtain excellent cooling efficiency.
