yes it can be done. People have used
SG2100 with them. They removed the back part (heaviest) and just fabricated something on the back
I put a piece of plywood on the back and put an old 24" dish bracket and it worked fine for a fixed system
Here is some info from Satelliteguys on it
Primestar Dish on SG2100 ? - SatelliteGuys.US