Two photos here of a tipping trailer being made. This is a bathtub model or Burrel bin by another name. The curved bottom is to ensure heavy material always centres toward the middle when tipping, this avoids a big piece of concrete or steel sticking in one corner and maybe the trailer going over when tipping. This model is 10 metres long and once up right and on its wheels will be almost four metres high. The bin has no chassis and tips by shortening the overall wheel base of the truck and trailer as the hoist goes up, the front two axles lifting off the ground. A smart operator or loader knows to put ugly or awkard steel, concrete or other material close to the back door. This is the 2nd week's work and should be ready in another 2 or so to go to the paintshop.
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