yeah a dingo can only really move loose material (with a 4 in 1 bucket). You need a ripper on a dingo to try and rip up grassy soil and clay. It works, if you do a reverse cross hatching rip, but it takes ages. If you have a dingo for 24hrs you want to be moving and playing material. Takes too long to be ripping. If you expect to be ripping up compacted material (a typical yard) get a small skid-steer (bobcat) instead with driver. Put up some stakes so he knows what to do and stay the hell away from it while he is operating it. You cant' see much from inside a bobcat and it's pretty messy if somebody gets run over. Never be anywhere near the rear of a bit of mobile plant on a construction site.