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We investigate the ferromagnetic–ferrimagnetic ternary alloy model with the chemical formula A B p C 1 − p with mean-field theory based on Glauber-type stochastic dynamics, namely dynamic mean-field theory, on a honeycomb lattice consisting of spins S i A = 1 / 2 , S j B = 3 / 2 and S j C = 5 / 2. The model includes a selective site disorder, meaning that S i A can randomly have S j C as its nearest neighbor or S j B with probability (1 − p). The mean-field dynamic equations were obtained and numerically solved. To identify the type of dynamic phase transitions (first- or second-order), the thermal behavior of dynamic magnetizations was examined. For specified values of the crystal field parameter, exchange interaction parameter, and concentration ratio, the phase diagrams are calculated in the (d − T) and (T − h) planes. The system's fundamental and mixed-phase areas were identified. The system displayed A , T P , Q P , Z special points and dynamic tricritical points. It was found that the content of the ternary alloy continuously affected the critical temperature in our dynamic system. Reliable agreements are observed when our findings are compared to those in the literature. [Display omitted] • Magnetic properties of a Ferro-Ferrimagnetic Ternary Alloy System are investigated. • We obtained the dynamic phase transitions. • The dynamic phase diagrams are plotted on different planes. • It was observed that dynamic magnetic properties of Ternary Alloy System were strongly dependent on Hamiltonian parameters. [ABSTRACT FROM AUTHOR]