Abstract: A lumped parameter model was proposed for the analysis of the dynamic behaviour of 3rd HEM.The measured static and dynamic performances of the 3rd HEM are given.The experiments are made for the purpose of validation of the 3rd HEM.It was shown by comparison of the numerical results with the experimental observations that the present 3rd HEM achieves fairly good performance for the vehicle industry.

Key words: hydraulic engine mounts, bell plate, a lumped parameter model, dynamic characteristics