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This pipe trailer, similar to a DeLoupe, is the type that will extend from roughly 47 to 66 feet, to allow for different load lengths, and the back end is steerable via hydrualics, as in it can turn with directions from the driver. The trailer tonque does slide in and out, with a locking T pin to drop in place. Personally, I'd suggest replacing it with something metal or styrene rod etc. Should there be any questions or comments, contact me via the designer link or direct via email to firstname.lastname@example.org