This is a 22' dump box (20") Raw aluminum double wall construction on the side panels and tailgate with manual latch, mounted on a standard tandem axle chassis.
The Wedico dump trailer is made up from two component kits, the dump body and the chassis. If you are a scratch builder you many purchase a dump body and build your own chassis and suspension. Or you can purchase a chassis and suspension and build a dump body similar to the style used in your part of the country.
The chassis with options:
Tri axle dump trailer with standard suspension, this is accomplished by adding the following parts to a standard trailer package.