RIDING LAWN MOWER

PROBLEM TO BE SOLVED: To improve a machine body balance in a riding lawn mower that includes particularly a hydraulic motor in each of all wheels.SOLUTION: A riding lawn mower receives the turf grass harvested in a mower (1) provided in the front lower part of a vehicle machine body into a collector (3) provided in the rear upper part of the vehicle machine body. The riding lawn mower is characterized by: providing a transmission case (14) and an engine (13) constituting a vehicle body frame in the longitudinal direction, respectively; connecting a pair of left and right front frame units (15) to the left and right sides of the transmission case (14), respectively; connecting a pair of left and right rear frame units (16) to the left right sides of the engine (13), respectively; connecting the front part of the pair of left and right front frame units (15) by the front axles (17); providing front wheels (18) at both sides of left and right of the front axles (17) through a hydraulic motor (Mf); connecting a rear axle (20) in a swinging manner through a pivot shaft (19) in the rear of the rear frame unit (16); and providing rear wheels (21) through a hydraulic motor (Mr) at both sides of left and right of the rear axle (20).SELECTED DRAWING: Figure 1 【課題】特に全車輪それぞれに油圧モータを備える乗用芝刈機に関して機体バランスを良好とすること。【解決手段】車両機体の前方下部に設けたモーア（１）で刈り取られた芝草を、車両機体の後部上部に設けるコレクタ（３）に収容するものにおいて、車体フレームを構成する伝動ケース（１４）とエンジン（１３）を前後方向にそれぞれ設け、左右一対の前フレーム部（１５）を伝動ケース（１４）の左右面にそれぞれ連結し、左右一対の後フレーム部（１６）をエンジン（１３）の左右面にそれぞれ連結し、左右一対の前フレーム部（１５）の前部を前車軸（１７）で連結し、前車軸（１７）の左右両側に油圧モータ（Ｍｆ）を介して前輪（１８）を設け、後フレーム部（１６）の後部には、ピボット軸（１９）を介して後車軸（２０）を揺動自在に連結し、後車軸（２０）の左右両側に油圧モータ（Ｍｒ）を介して後輪（２１）を設けた。【選択図】図１