| 摘要 |
There is provided a PTO transmission structure including a PTO driving shaft operatively connected to a driving source, a PTO driven shaft arranged in a downstream side in a transmission direction of the PTO driving shaft, a PTO clutch unit for selectively performing power transmission/power interruption from the PTO driving shaft to the PTO driven shaft, and a transmission case for supporting the PTO driving shaft and the PTO driven shaft and for accommodating the PTO clutch unit. The transmission case has a case main body which includes a first wall having a first hole for supporting the PTO driving shaft, and a second wall having a second hole for supporting the PTO driven shaft, the second wall being spaced apart from the first wall so as to define a first accommodating space to position the PTO clutch unit between the first wall and the second wall. The PTO clutch unit includes a drive-side member operatively connected to the PTO driving shaft, and an output shaft member operatively connected to the PTO driven shaft. Each of the PTO driving shaft and the PTO driven shaft is connected to the drive-side member and the output shaft member, respectively, of the PTO clutch unit by inserting the PTO driving shaft through the first hole from the upstream side in the transmission direction of the first wall and inserting the PTO driven shaft through the second hole from the downstream side in the transmission direction of said second wall with said PTO clutch unit positioned in the first accommodating space.
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