You've got a lathe. Turn some inserts with a shoulder to butt against the pipe end and a point on one end. Then drill and pin them to stop them falling out. Simples!
You'll also need some way to carry them.
I've been trying to identify a Wheel Horse. Belgium built. All I have is 1-0394 Serial 145097. 10hp Kohler. Number?? Looks like only 4 speed transmission. Any help appreciated.