Steering issues with Komatsu D21A-7

First dozier, new operator, retired and wanted to have fun on the farm.
Just purchased D21A-7 and it runs great shows 2100 hours.
Sprockets and bushings are worn out. Can this happen in this amount of hours?
The problem is the steering. When we test drove the unit all worked well except a little weak in steering backing up to the right. After getting it home and operating a couple of hours it started responding slow when turning right in forward. Then started to respond very little in...

Steering issues with Komatsu D21A-7

Steering issues with Komatsu D21A-7