Abstract: As a new bionic pneumatic actuator, Mckibben-type pneumatic artificial muscle (PAM), its mechanical properties have much resemblance to that of biological skeleton muscle. Damping model of seat was built up by taking Mckibben-type PAM as the buffer actuator for crawler construction vehicles. The simulation of the seat for damping characteristics was conducted using Simulink software and fuzzy PID control. The data showed that vertical acceleration and displacement decreased effectively for Mckibben-type PAM seat relative to these of traditional seats under the 4 kinds of working conditions. The vibration isolation performance was improved noticeably, and the research results can provide references for the development of PAM-type damping seats.