| 摘要 |
A chassis attachable to a fifth wheel of a tractor for hauling a freight container has a variable height gooseneck assembly for accommodating either a standard or a reduced tunnel depth freight container seatable on the chassis. The variable height gooseneck assembly includes a longitudinally extending gooseneck beam and a plate movable to a first position above the longitudinally extending gooseneck beam to support a standard tunnel depth freight container. A plate support element is movably connected to the plate and the longitudinally extending gooseneck beam, the plate support element being configured to move the plate to a second position that allows supported positioning on the gooseneck assembly of a reduced tunnel depth container.
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