So I’ve got an opportunity to buy (steal) one of two trucks from a guy going out of business. W900 and 379. I don’t want this to be a kw vs Pete bs conversation please.
One has B model with 15spd 370 rears. And the other has an N14 with a 13sp and 370 rears.
B model history...complete out of frame will be completed tomorrow (supposedly..was supposed to be done Thursday) New turbo
N14..supposedly crate motor with about 150k on it give or take.
3406B or N14??
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by MagicMan22, Jan 5, 2020.
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Itsbrokeagain, Bakerman, Dino soar and 2 others Thank this. -
I'd pick the truck that's in better shape and that suits my needs. You honestly can't really go wrong with either engine. They're both a better choice than today's emission engines. I'd prefer the 13 speed to the 15 though.
Dino soar, MagicMan22, jsnell and 1 other person Thank this. -
I have 1991 379 ext hood with a 3406b. I have 2 million miles on it and it has not been rebuilt (so Ive been told by previous owners).
I have a split 10 with 5 extra low gears. I have not had any trouble for the 3 years Ive owned it. However, it is an expensive engine to maintain. Im not going to Pete or KW as Im not familiar at all with the other truck. Good luck.MagicMan22 Thanks this. -
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I agree on the 13 over 15 but the 15's I have been around have been near bulletproof compared to 13 or 18. Running local like a dump or lowboy moving equip or such I would prefer the 15.
MagicMan22 Thanks this. -
I still see n14s everyday. But b models maybe once a month.Last edited: Jan 5, 2020
haycarter, stwik, MagicMan22 and 1 other person Thank this. -
Very good advice Spyder and I am a die hard b or c mechanical only guy but I do 95% of my own wrenching and carry the one shop manuals and a few phone numbers of old timers with me. Hp settings being set somewhat equal so will the mpg. Cat will have more torque. 13speed will have more road friendly drivability and likely a slight mpg advantage on a highway truck. Both engines well proven and more wallet friendly than any of the late model stuff I have been around.
MagicMan22 Thanks this. -
Both are good engines but i would pick the truck with the n14. Just seems like a better set up plus the sound of a n14 at idle is sweet. Is the n14 a black top or red top?
MagicMan22 Thanks this.
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