95man
Guest
The 8820 has 6 walkers - 7720 has 5 7720 has 165 hp - the 8820 has 225 8820 has 65" wide cyl.- 7720 has 55" 8820 has better tailings system 7720 has 190 bu hopper - 8820 has 222 bu on Titans vs Titan 2 - T2 has 6" longer shoe w_faster shake 7720 T2 had better tailings elevator 8820 got larger clean grain elevator both got a little more hp a few shafts were made larger for more strength that's all I know for now 95