The ornamental design for an operatorcab handle, as shown and described.
FIG. 1 is a top, front, and right-side isometric view of an operator cab handle, showing the new design with the grip of the handle in a first position.
FIG. 2 is a top, front, and right-side isometric view of the operator cab handle with the grip of the handle in a second position.
FIG. 3 is a top plan view of the operator cab handle.
FIG. 4 is a front elevation view of the operator cab handle.
FIG. 5 is a bottom plan view of the operator cab handle.
FIG. 6 is an enlarged right-side elevation view of the operator cab handle; and,
FIG. 7 is an enlarged left-side elevation view of the operator cab handle.
The broken lines depict portions of the operator cab handle that form no part of the claimed design.