C15 pros and cons please.

What year of truck. What model engine. C15 doesnt mean anything.
Sdp, mxs, nxs.... ect

 

2009 would be sdp. Worst model engine they made. CGI was an excellent idea. The rest of the emission system not so.
Lots of issues with that model. Air compressors passing oil, ard heads failing, cgi flex pipes breaking and sucking in dust, and other emission issues. Plan on modiying engine or buying super cheap.

 

Didn’t cat get sued over that model due to so many problems

 

I had a truck with that engine and it was a nightmare. If I went a whole day without a check engine light or parked regen while getting 5 mpg it was a good day. That engine will crush you in perpetual repair and fuel cost.
Like others said. Modify or dirt cheap. I'm talking whatever it's scrap value would be, cheap.

I went from a 6nz into that, not believing what people were saying about what cat put out. I didn't believe cat could go from such an awesome engine to how bad the sdp was.

 

@Cat sdp can give some insight on these units.

 

I.ve got 1.16 on my sdp but before the mods which are harder to find now and run between 6 to 8 k this truck was a nightmare .....of course now it runs great tons of power and a 7.7 mpg avg last week but I am empty or light 80% of the time.....35 too high unless a reputable place modified it allready