An agricultural mowing device configured for being towed behind an agricultural vehicle , the agricultural mowing device being configurable in a field position for cutting a crop material in a field and a transport position for transporting the agricultural mowing device , the agricultural mowing device comprising: a tongue configured for connecting to the agricultural vehicle ; a trail frame rotatably connected to the tongue ; a cutter bar connected to the trail frame and configured for cutting the crop material in the field position; a first trail-frame wheel and a second trail-frame wheel each being rotatably connected to the trail frame and configured for supporting the trail frame in the field position; and a transport system comprising: a transport frame rotatably connected to the tongue and rotatable relative to the tongue about a transport frame axis of rotation (A2); and a first transport wheel and a second transport wheel each being rotatably connected to the transport frame and configured for supporting the tongue in the transport position, the first transport wheel and the second transport wheel each being rotatable about a respective wheel axis of rotation (A3, A4); and wherein the tongue defines a longitudinal axis (LA), and the transport frame axis of rotation (A2) is perpendicular to the longitudinal axis (LA) of the tongue , characterized in that : each respective wheel axis of rotation (A3, A4) is not parallel to the transport frame axis of rotation (A2), and wherein the longitudinal axis (LA) of the tongue is not parallel to a forward direction of travel (F) of the agricultural mowing device in the transport position. a tongue configured for connecting to the agricultural vehicle ; a trail frame rotatably connected to the tongue ; a cutter bar connected to the trail frame and configured for cutting the crop material in the field position; a first trail-frame wheel and a second trail-frame wheel each being rotatably connected to the trail frame and configured for supporting the trail frame in the field position; and a transport system comprising: a transport frame rotatably connected to the tongue and rotatable relative to the tongue about a transport frame axis of rotation (A2); and a first transport wheel and a second transport wheel each being rotatably connected to the transport frame and configured for supporting the tongue in the transport position, the first transport wheel and the second transport wheel each being rotatable about a respective wheel axis of rotation (A3, A4); and a transport frame rotatably connected to the tongue and rotatable relative to the tongue about a transport frame axis of rotation (A2); and a first transport wheel and a second transport wheel each being rotatably connected to the transport frame and configured for supporting the tongue in the transport position, the first transport wheel and the second transport wheel each being rotatable about a respective wheel axis of rotation (A3, A4); and each respective wheel axis of rotation (A3, A4) is not parallel to the transport frame axis of rotation (A2), and wherein the longitudinal axis (LA) of the tongue is not parallel to a forward direction of travel (F) of the agricultural mowing device in the transport position. <EOS>