| 摘要 |
A combine (201) has machine body inclination angle- detecting means (88) and rolling drive means (91), and rolling control for adjusting the machine body to a substantially horizontal position relative to a reference horizontal plane is performed in the combine. The combine also has an inclination sensor (96) and rolling-drive means (91). Centrifugal force acting on the machine body during swing motion is obtained based on the traveling speeds of left and right crawler tracks (1L, 1R), an error, caused by the centrifugal force, in a value detected by the inclination sensor is corrected, and the rolling control is performed, where the machine body is adjusted to a substantially horizontal position relative to a reference horizontal plane or to a predetermined inclination angle.
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