TRAVEL VEHICLE WITH CABIN

摘要

PROBLEM TO BE SOLVED: To prevent the occurrence of booming noise caused by resonance due to coincidence between the frequency of an auxiliary step fitted to a cabin bracket fixed to a travel vehicle body and the natural frequency of the air column in a cabin (air in the cabin). SOLUTION: A travel vehicle body is mainly formed of an engine and a transmission case 3 connected to it, and a cabin 4 is mounted on the travel vehicle body in this travel vehicle with the cabin 4. An auxiliary step is provided on a cabin bracket 16F fixed to the travel vehicle body and supporting the front section of the cabin 4, and a vibration damping mass 24 reducing vibration is provided on the auxiliary step.