I own a 2000 Pete dump truck with a 3126B Cat in it. I was recently asked by the mechanic that does my work if I had ever had an "overhead service" done on it. I didn't even know what that procedure involved and why I should or shouldn't have it done. I've put about 200,000 miles on it in 3 years. It has a total of 505,000 miles on it. Can someone explain what an "overhead service" is? I have noticed lots of power loss in this truck and have already addressed anything else it could be as well as being hooked up to the computers at the Cat house and was told that everything was in good condition. Sorry I sound so stupid but I'm just a driver.




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