As per Verna's advice, I'm also posting my take-off tongue box here, though it's off a Tag Outback. I've not measured it but have some conspiratorial information that it's the same for both trailers. Anyone interested could get me to trudge out and measure it. The interior is unspoiled and has the propane tank mount still intact.
Let's start at $250 bucks.
I am in west central Wisconsin. Shipping may be problematic. PM me or post here....