The McCormick 6506581M91 is a genuine 12V 55W headlight designed for agricultural machinery. This robust work light provides essential illumination and is a direct OEM replacement for a wide range of McCormick, Massey Ferguson, Fendt, Valtra, Landini, and Challenger tractors and equipment. Featuring a compact design with dimensions of 105mm length, 90mm width, and 95mm height, and weighing approximately 0.38 kg, it ensures reliable performance and easy installation. It cross-references with OEM part numbers such as 3596206M91, 3596206M92, and 3596206M93.