EARTH WORKING APPARATUS

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An earth working apparatus includes a working implement having a first end and a second end. The earth working apparatus also includes a first support supporting the working implement, where the first support also has a first end and a second end. The earth working apparatus further includes a first arm connecting the first end of the working implement to the first end of the first support, and a second arm connecting the second end of the working implement to the second end of the first support. A second support is pivotally coupled with the first support by a torsion coupler. The first arm and the second arm can be pivotally coupled with the first support by a torsion coupler. The second support can be connected to a third support and configured to articulate with respect to the third support between a generally horizontal working orientation and a transport orientation.