Light duty frame or body repairs are typically performed on a flat deck style machine. A lighter duty frame has a unitized style body versus the two frame rails that make up a heavy-duty body. The light duty vehicle is either driven on or is winched on and then mounted to the machine. Towers are used to pull the frame with chains attached. In contrast, heavy-duty correction is performed on either a press or rail system, depending on whether a truck or a trailer is being corrected.
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