Provided is a transmission (10) for a lawn mower, the transmission (10) transmitting the output of a drive source (8) to a drive wheel (4). A power transmission unit (12) is connected to a transmission unit (11) in a movable manner and is provided with: a first power transmission unit (13) connected to the transmission unit (11)； and a second power transmission unit (14) to which the drive wheel (4) is connected. The first power transmission unit (13) and the second power transmission unit (14) are connected in a movable manner.是用來將驅動源（8）的輸出傳達到驅動輪（4）的割草機用傳動裝置（10），傳動器（12）可動地連結於變速器（11），傳動器（12）具備有：連結於變速器（11）的第1傳動器（13）、及連結著驅動輪（4）的第2傳動器（14）；第1傳動器（13）與第2傳動器（14）可動地連結。
