Komatsu PC 220-5 Low tracking/walking power

Hi,

I recently purchased an old PC 220-5 excavator. The old girl has 11000 hours on it and besides rust here and there appears in good condition.

All digging and swinging functions work well and have plenty of power.

The one small problem is the machine lacks power when walking / tracking. It feels like it is struggling - whilst the motor is revving fine, the tracks don't seem to have much power. It walks ok on 100% level surfaces, but the smallest incline sees it struggling. A...

Komatsu PC 220-5 Low tracking/walking power

Komatsu PC 220-5 Low tracking/walking power