If the truck has a Volvo engine they are expensive to repair. I recently spoke with someone who told me that they have had a lot of complaints on the new Volvo's. They had a really severe tire wear problem at one time. I believe it turned out to be the u-bolts or something. I had good service out of the one I drove. A friend of mine owned a 770 and LOVED it. I really like the way the bigger sleeper Volvo's are designed. They do pretty well on fuel mileage on the older units but tend to be a little heavy. I don't want to get involved with any of the brand specific engines. Volvo, International, Mercedes, Mack and soon Paccar will have their own engine. I prefer one of the 3 major engines, such as Cat, Cummins or Detroit. It will cost less to repair and service will be more readily available. If you like Volvo, there are many with Cummins engines. There is one other thing which can make repairs more expensive on a Volvo. The engines are set back which can make it more difficult to get to the engine.