This paper considers the task of the dynamic synthesis of six-link lever motion with least vapor, where links provides the required overall action for strut because of optimal arrangement of masses and rational proportion of geometrical dimensions of the links. This task is formulated by the way of quadratic approximation and recovered analytical solution. The general solution for dynamic synthesis of non-harmonic vibration exciter has been derived. The analytical results allow defining the “generalized unbalances” directly from constraint equations. Below is given the essence of the proposed method. A number of alternative kinematic diagrams of mechanisms of non-harmonic vibration exciters of pulse action on the foundation is developed.