Im looking at some truck VIN# and the trucks are 1500 miles away, But Im trying to figure out What it means about the engine when the 8th digit is a (C) This truck is a year 2000 freightliner and has only 48,713 Original miles on the cummins. / Another has a (A) for 8th digit and it has 181,969 miles on it also a 2000 freightliner. Does anyone know what this means? And how will I recognize a N14 cummins? They have quiet a few of these trucks. Id like one with a decent engine. Most of the Trucks with the Cats, and Detroit's have around 300,000 on them. These are good trucks, haven't been used much, I know the owner. I want a N14 for my truck conversion camper.