| 摘要 |
A vehicle chassis is disclosed that includes a frame, front suspension, rear suspension and vertically adjustable bed. The frame includes two mirrored image side rails connected to each other by a bumper, torque box and at least one cross member. The frame structure forms an enclosed frontal section and a U-shaped back section. The front section is adapted to receive a motor, transmission, cab, and the front suspension. A roll bar support assembly is disposed above the torque box to support the U-shaped section of the frame. The back U-shaped section is adapted to receive the adjustable bed and rear suspension. The adjustable bed maintains a constant horizontal orientation when moving from a grounded loading position to a raised transporting position. The rear suspension includes two separate independently acting assemblies with one disposed on each side of the back U-shaped section.
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