I bought my 2000 Pete in 2006 with 435000 miles on the original engine. The CAT shop was offering that 10K rebuild, but I elected to buy extended warranty instead, did the first overhaul at 700,000. Worked out pretty close. New member here who just retired from truck engine repair says current cost to do a pre-smog C15 is 45K if you provide the core. When I sold my truck three years ago, I figured it was worth more for parts than whole, after I broke a frame rail.
Instead, I sold it to one of the partners in the company I leased to, and he restored it into a show truck. I ran it for 16 years, 1.3 million miles.
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