Expandable trailers often look complex – and complex technology is often assumed to be fragile.
To explore that assumption, we took an expandable trailer into rough quarry terrain and towed it behind a Dodge Ram 1500. No lab conditions, no technical breakdown – just real-world towing on uneven, unpaved surfaces.
This video features a Rolling Unit XL in US specification with a tri-axle configuration, shown in motion through quarry terrain to give a visual impression of how an expandable trailer behaves when conditions are harsher than normal roads.
Sometimes it’s easier to show durability than to explain it.
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