Original Owner 140,000 miles, no modifications. Duramax/Allison 3500 single rear wheel. 4x4. Work truck, manual windows, vinyl floor, gooseneck ball. 60% life bfg a/t tires. Newer pads and rotors, park brake not working. Cloth seats are nearly perfect. Extra heavy rear springs. The airbag light has been on for a very long time along with the check engine light. Runs great. No accidents. The digital odometer display turns on and off, but I have a recent picture of odometer reading. Oil undercoated regularly.