PROBLEM TO BE SOLVED: To provide a lightweight and compact passenger work machine. SOLUTION: A machine frame, a prime mover mounted and supported on the machine body frame, a traveling device provided below the machine body frame and capable of traveling to the ground based on the power of the prime mover, and work on agricultural products in a field are possible. A hydrostatic stepless transmission 11A capable of receiving the power of the working device and the prime mover on the first input shaft to shift gears and outputting the power after shifting to the first output shaft, and a plurality of powers based on the first input shaft. A work transmission mechanism 70 capable of transmitting power to the work device via the work drive gears of the above, and a travel transmission mechanism 60 capable of transmitting power based on the first output shaft to the travel device via a plurality of travel drive gears. The transmission mechanism 11B is provided with, and the transmission mechanism 11B has an internal space covered by a housing case, and the work transmission mechanism 70 and the traveling transmission mechanism 60 are vertically distributed and arranged in the internal space. Has been done. [Selection diagram] FIG. 9【課題】軽量かつコンパクトな乗用作業機の提供。【解決手段】機体フレームと、機体フレームに載置支持された原動機と、機体フレームの下方に設けられるとともに原動機の動力に基づいて対地走行が可能な走行装置と、圃場の農作物に対する作業が可能な作業装置と、原動機の動力を第一入力軸で受け取って変速するとともに変速後の動力を第一出力軸へ出力可能な静油圧式無段変速装置１１Ａと、第一入力軸に基づく動力を複数の作業用駆動ギヤを介して作業装置へ伝達可能な作業用伝達機構７０と、第一出力軸に基づく動力を複数の走行用駆動ギヤを介して走行装置へ伝達可能な走行用変速機構６０と、を有する伝達機構１１Ｂと、が備えられ、伝達機構１１Ｂは、ハウジングケースによって覆われた内部空間を有し、内部空間に、作業用伝達機構７０と走行用変速機構６０とが上下に振り分け配置されている。【選択図】図９
