Patent ID: 6886646

Claim:
A self-propelled operating machine comprising: a power source having an output shaft; a hydraulic CVT for varying power outputted from the power source, the hydraulic CVT having an input shaft connected to the output shaft of the power source; a transmission mechanism connected to the hydraulic CVT for transmitting power outputted from the hydraulic CVT; a stand mounted on the transmission mechanism and supporting the power source, the stand extending from a lower section of the hydraulic CVT to an upper level above an upper section of the hydraulic CVT so as to enclose the hydraulic CVT, and the stand having an oil passage through which hydraulic oil of the hydraulic CVT flows; and a cooling fan for cooling the oil passage of the stand to thereby cool the hydraulic oil of the hydraulic CVT flowing through the oil passage, the cooling fan being mounted on one of the input shaft of the hydraulic CVT and the output shaft of the power source and being disposed between the power source and the hydraulic CVT so as to be enclosed by the stand.