Welcome to the forum -- that looks thick enough to have come off a boiler - how wide and tall is it? I like the idea of making it fit a 2" receiver hitch, as well.
Very slick x. Looks good. What will you pull / push it with? What is the black stuff at the bottom? Horse mat?
Welcome to Net Tractor Talk.
Enjoy and post often.
its been attached to a 3point hich.te black thing in the bottom is an metallic bar 100x6x0.8 cm,i worked for a little time and it works perfect.the rotor is a tube with 0.5cm iron