| 摘要 |
A tree processing vehicle comprising a prime mover and a pair of tracks for propelling the tree processing vehicle, the prime mover being in a driving relationship with the tracks. The tree processing vehicle also comprises an operator cabin comprising a front side, a rear side, and a pair of lateral sides between the front side and the rear side. A first one of the lateral sides defines an access opening allowing an operator to enter or exit the operator cabin. The operator cabin also comprises a door for closing the access opening and a set of controls for allowing the operator to control the tree processing vehicle. The tree processing vehicle also comprises a pair of arms pivotally movable across a range of angular positions. The range of angular positions includes a first angular position in which a first one of the arms extends across at least part of the access opening and a second angular position in which the first one of the arms clears the access opening thereby allowing the door to be opened or closed. Each of the arms comprises a mounting portion to which a tree processing implement is mountable such that, when the arms pivot across the range of angular positions, the tree processing implement moves across a range of processing heights at which the tree processing implement can perform a tree processing function. The tree processing function may be a shredding function, whereby the arms are pivotally movable in the range of angular positions to move the tree processing implement in the range of processing heights such as to impart to the tree processing implement a downward tree shredding stroke during which the tree processing implement shreds at least a portion of a tree.
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