A powerful fighting machine. A dangerous moving mass of steel. A powerful tank. Come and see the process of handcrafting a full metal Leopard 2A6 tank... Today you will witness the installation of a complex but flexible engine gearbox... a double differential system, with 2 powerful control motors.. the engine and gearbox have been upgraded. come with me and see the power it brings... ok... current weight ~200kg... really heavy for an rc model tank