| 摘要 |
A trailer comprising a main trailer portion having a ramp tail hingedly secured to the rearward end thereof. A first axle and suspension system is positioned beneath the main portion of the trailer forwardly of the hinge point of the ramp tail. A second axle and suspension system is positioned rearwardly of the first axle and is located beneath the hinge point of the ramp tail when it is desired to pivotally move the ramp tail. During highway usage, the second axle may be slidably moved beneath the ramp tail so as to increase the distance between the two axles.
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