One thing comes to mind is the pins where the machine is articulated, bushings, pins, condition there of, if worn and require rebuilding where you may need some line boring done it could be costly, but probably worth doing, I thought they were good machine. We had 2 of them and I thought they were a real animal digging into a gravel bank and loading trucks, and were very reliable, ones we had were probably a bit older than that, 20 years in service at that time and the only problem I can recall was on the back end, drive train, mechanic pulled the rear wheels and assembly off, was headed to another company at that time, never got to see that repair, used to enjoy getting a glimpse at what these mechanics did to keep our machines running, they were really good at what they did, I used to run for parts for them even after I left the company, as I lived close to a dealer at the time. One day, with both 980's we loaded out 315 trucks 6am to 5 pm, from the bank, D8k pushing loose material to us off the top helped, 40,000 cubic yard order and those old 980s handled that and several other jobs just like it that year, I'd imagine it would be a good choice if in decent shape, especially if not being used like we were, they were impressive, especially for the age of them, nothing like the new ones as far as creature comforts, just raw machine power and black smoke !
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