yep ,cenracer1 is right my friend has kyosho stadium truck gx-15 engine i can beat him but not by much and i've got a2 speed tranny he's got a single speed ,its down to weight ,but go off road he's trolly just can't compare ,catch,beat,out do me .nothing drives him mad , but the mt2 despite what revo ,Tmaxx owners say are a very good truck.