I have recently purchased a 1988 cat 973 loader serial 3 86g00778 great machine to run, but wanted to know about the steering of it. When going forward both tracks pull strong, the left seems to run a little slower than the right, but under a hard pull both tracks will spin at about the same speed. It is not possible to stall either track. The question is when u are making a hard right turn, it seems that the left track does not pull smooth, and almost jerks a little. I tried overfilling the transmission with oil, a little, and it seems to help some but still not perfect. Keep in mind this is only on a hard turn. When u turn to the left, a hard left, the travel speed slows to about the same speed, but still pulls smooth. I have changed the oil to cat 10 weight, and changed the filter. The problem seems to be worse at some times than others, but not because of temp, or time of use. Any thoughts would be much help. Thanks Ben
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