In the paper, we investigate the gauge fields that are characterized by the
existence of non-trivial integrals of motion for the Wong equations. For the gauge
group 𝑆𝑈(2), the class of fields admitting only the isospin first integrals is described
in detail. All gauge non-equivalent Yang–Mills fields admitting a linear integral of
motion for the Wong equations are classified in the three-dimensional Euclidean space