| 摘要 |
A cultivator 1 comprises a drawbar 2, a main frame 3, at least one sub frame 14a to 18c and at least two wheels 19,22 wherein: the cultivator has a longitudinal direction and a width direction with the drawbar attached at a front end of the main frame so that the cultivator can be towed in the longitudinal direction; the main frame comprises at least two parallel longitudinal frame side members 5a, 6a spaced from each other in the width direction, each side member having a plurality of first engaging members 7; wheels are mounted on a sub frame 17a which have a plurality of second engaging members 53 arranged to engage with the first engaging members 7 at a plurality of different locations on the main frame to permit the wheels to be mounted to the main frame at a plurality of different locations in the longitudinal direction. |
