To go along with what Marc said, these long ones will make the corner easier than a standard unit. On the shorter units the truck may clear the corner but the trailer will not follow in the truck's tire tracks. The longer ones have the advantage that if you can make the corner with the truck the trailer will follow in its tire tracks fairly closely. With my unit I am over 83 ft long. I have made it into some very tight spots that the other guys with a toter home and long trailer can't make the same turns. If I knew geometry I could give you a mathmatical reason but even helping my kids study for their exams hasn't helped me remember what I used to know!
Wick
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