Never heard of 9ns. I thought all preemission c12 were 2ks besides the bridge engine. What’s a 9ns
Caterpillar c12
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by truckerbangin, Apr 3, 2020.
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9NS are forty pin ECM.
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I did a lot of research on C12's when I was looking at a truck to pull a dump trailer. There's a lot of highway construction going on in Arkansas and most of it is anywhere from 10-70 miles one way from the quarry. What I found out from my research was, the C12 is an excellent engine for the proper application. Local trucking in a reasonably flat area is a proper application. It's fair at best on power, it's good on fuel economy, and very good on service life.
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If you want to uprate, you're wasting your time if you've got mechanical issues. Figure out if its running properly first before you waste money on a tune. -
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