and second pair of opposing cones,respectively,the first and second pulleys being coaxially aligned and adjacent to one another such that one cone of each pulley are adjacent,and wherein the prises a member physically coupled to said one cone pulley, the differential being selectively movable between a first and second position corresponding to the differential’s left and right biases,respectively.РThe vehicle of claim 14 wherein the member is coupled to the platform by a cable, the cable moving the member between the member’s first and second position in response to the movement of the platform between the platform’s first and second positions,respectively.РA prising;Рa housing;Рa platform mounted on top of the housing,the platform having a front and a rear end,a right and left side and a