Ignoramus16276 wrote:

You can do anything, but it will cost you a lot more than a real
backhoe and it will likely not be very usable.

Exactly.

The little towable backhoes and tractor attachment backhoes sort of
work, but they are painfully slow, often can only actuate one joint at a
time and have very little diging power. They have open center hydraulics
with gear pumps of perhaps 10gpm and rarely have more than 20hp driving
them.

By contrast a "real" backhoe has 75-100hp or more driving a high flow
variable displacement piston pump with 30 or more gpm for closed center
hydraulics. Ripping forces are 10,000#+, lift at full extension is a
couple thousand pounds or more, you can operate all four joints at once
in a coordinated fashion and move any joint through it's full travel in
a couple seconds at most.

Buy a used "real" backhoe and refurbish it if you want to do any actual
work with it.