Komatsu PC300 PC350 Idler Pulley Support 6745 61 4130

Excavator Spare Parts
October 15, 2026
Video Description:
Take a focused look at the specifications and what they mean in practice for the Komatsu PC300 PC350 Idler Pulley Support 6745-61-4130. This video breaks down its mounting role, belt tension control, vibration absorption, and alignment function, then reviews compatible models, installation position, and related components so you can identify the right support for your excavator.