PURPOSE: To change the direction of a cabin in accordance with the kind of working to make it possible to take a posture suitable for the kind of working, by forming a cabin attaching section in a longitudinally symmetrical shape in the longitudinally middle section of a machine frame, and by fixing a drive control unit to this attaching section such that its direction may be turned in the longitudinal direction.
CONSTITUTION: A fender 5 covering rear wheels 4 is set at a level equal to that of a bonnet 2, and front and rear inclined surfaces 3, 6 are formed symmetrically with each other. Further, a cabin 12 is formed so that its lower half is mated with the front and rear inclined surfaces 3, 6, and side doors 4 each having its front end hinged to a cabin frame 13 are arranged on both sides of the cabin. When the farm tractor carries out a front loader operation, the cabin 12 is set so that the steering unit is positioned on the bonnet 2 side, and screws are tightened into screw holes in attaching brackets 7, 8 to secure the cabin 12 to a machine frame 1. Meanwhile, when it carries out a civil engineering work, the cabin 12 is reversely positioned.
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