The McCormick 6651808A1 Kit Mass is a genuine OEM component designed to provide front ballast for various McCormick tractor models. This kit is crucial for improving stability and traction, especially when operating with rear-mounted implements. Manufactured to McCormick's stringent quality standards, it ensures optimal performance and durability. This kit is specifically referenced for models like the X5.085, X5.095, X5.105, X5.115, X5.120, X6.413, X6.414, X6.415, X6.416, X6.417, X7.417, X7.418, X7.617, X7.618, X7.619, X7.620, X7.621, X7.623, X7.624, X7.626, X8.627, and X8.631.