No disrespect to your dad but this another quote from you:
My dad has a land scaping & excavating company he has built many army truck's, he has a fleet of 5 truck's that he updated and won't get rid of. . .
Army Fleet:
1-10 ton with a KT-600 Cummins, 18spd DOD twinstick, and 16.00R24 28ply tires 45mph.
2-5ton M818's 315hp mack engine's,7spd OD mack trans, and 12R24.5 16ply tires dualed 68mph.
2-2.5 ton M35's 8.3L cummins diesel's,6spd OD,and 11.00R20 16ply tires . 66mph.
The 2.5t's are maxed at 68mph the 5T's could be ran out 70-72mph but he goverened them down. . . the 5T's are ste at 68mph the 2.5T's are set at 66mph. . .all 5 trucks have 10 tires Non of them are super singled. . .
If i hadn't had a falling out with him I would have went to him with this swap as he has done one simliar to it. . .