2007 black Peterbilt complete overhaul in frame 315000. Miles ago . Pretty much everything has been replaced . From all the front end parts on steer axle springs compressor new air to air ac compressor, new turbo radiator, all bushings in rear suspension. New Rearend in both rears and power divider. Hood pins replaced rear axle housing replaced new tires rims and drums . No recaps. Spare alternator cause hard to find so bought one to throw on if became a problem. All water lines repaced into bunk and everywhere. R&r sleeper heater core and ac . New fenders and also installed a webasto heater so can heat your coolant for the motor pretty much anywhere without needing to plug it in. New steering pump reservoir also new dragline. Really mechanically I can’t think of anything hasn’t been done . 18 speed transmission I haven’t done the clutch but the guy I purchased it from said he put a heavy duty clutch in it and went through transmission. Also front fan housing braced . C15 cat