I am a diesel mechanic with 10 years of experience. I have worked on just about any kind if semi. All I haven't had a chance to do is overhaul any. Anything else is not a problem. Im just looking for side or cash jobs will do it cheaper than shop ( alt, starters, exhaust driveline u-joints just let me know what u have ) I have 3 kids so anything helps let me know call 701371-----(0040)----