:lol: I HAVE A ONE WHEEL TRAILER FOR SALE, IT HAS A LEAF SPRING SET-UP WITH A NEW TRAILER TIRE, IT IS VERY SOLID AND HAS A GOOD FRAME, IT HAS THE 2 EXTENSIONS TO ATTACH TO YOUR BUMPER ON YOUR TYPE 1 OR 11 OR TYPE 111. YOU WILL HAVE TO MODIFY THE BRACKETS SOMEHOW.... THERE IS NO BOX ON TOP OF THE FRAME, YOU WILL HAVE MAKE YOUR OWN. THE ONE-WHEEL TRAILER WILL BACK UP WITH YOUR VEHICLE AND WILL FOLLOW YOU WHEN YOU GO. I AM ASKING $150.00 let me know, john