Revo 3.3 is a large 1/10th scale/small 1/8th foot print wise, LST is a legit 1/8th scale. Prolly weighs 1/3 more too..
It should also be noted that this particular truck has been stretched to 1/5-1/6 scale length. Thats an FG Hummer body he's running. Totally awesome btw.