Well I cant find a pic of one like I use but its just flat metal with 4pipe legs at the corners and the bottom platform is the same but with a size smaller pipe so the top will fit and slide over it... heavy bottle jack in the middle and slab wheels like on an engine lift
Kioti DK50SE hst w/hoe & John Deere 3720 hst cab & John Deere 3120 hst w/375 hoe
I bought 4 of the wood dollies from Harbor Freight, the ones that hold 1000 lbs and are always on sale. Put a piece of plywood to fill the void, and bingo backhoe mover. Oil the bearings before doing anything. I put one under bucket, one at the forward point and the other two under the foot pads. Then you can move it where ever you want, on hard surface.