May 28, 2007 · CONS -- parts availability, starts better than the NHC-250 in cold weather but still needs a sniff of ether I've had both NHC-250-powered trucks (M929A1, M928A1, M932) and 6CTA 8.3-powered trucks (M936A2, M932A2 and now two M925A2s). While I love the 6CTA 8.3 motor, I would suggest that anyone who is interested stick with the NHC-250-powered ...

Oct 12, 2018 · Hey, What are the recommended parts / Tips / Tricks when removing, cleaning, and re-installing the clogged fuel injectors on an NHC-250? Any guidance/Tips from those who have done it would be greatly appreciated! Thanks!! :beer:

Feb 4, 2011 · You're right, my bad. On Idaho Motor Pool's web site (where I have been shopping, cause it's close to my place) it says NHC 250 Cummins on all the 5-ton trucks (dump trucks, tractor rigs, and wreckers), all the listings for the M35A2's just say "turbo diesel".

Aug 28, 2009 · Is the cummins nhc-250 used in the m-8 series trucks a multi fuel diesel? I was curious because i had seen older trucks and newer trucks with multifuel capability, but haven't found anything solid on the m-818's with the cummins non turbos.... Many thanks. also, what can run through them if...

Feb 4, 2014 · Anyone ever had a NHC 250 fuel control shaft leak that they fixed? Mine has a drip that causes me to lose prime after a few days and is causing slower starts. Runs fine after start up but is more annoying than anything. Is it a simple repair like an o-ring or more complex? Is it worth a tear down or just as easy to buy another used serviceable ...

Mar 21, 2007 · On the adapter, there is not a interchange listed for a NHC-250 by Wix... You might however be able to hunt down another Cummins engine that uses the same filter arrangement which is listed on the interchange, I often find filters for engines not listed by knowing other engines share the same parts, im not a Cummins guy though but we have a few ...

Jun 28, 2017 · The NHC 250’s have become sort of infamous for cavitation caused liner failure. We saw some pitting damage in two motors but none on the third. Chasing cavitation issues was a red herring for us, it distracted me from what I was doing that was actually killing them.

Sep 28, 2008 · Cummins NHC-250 Problems I have a M813A1 and love the big Cummins. You need good batteries to turn it over, and I would recommend you put a block heater in it, if it doesn't already have one. (Miine didn't but does now). I did have an alternator problem, and had to replace the same, when it couldn't be rebuilt.

Aug 1, 2011 · The overhead set on the NHC for the OBC method goes like this; A 1 or 6 B 2 or 5 C 3 or 4 Set the valves and injector on the same cylinder, in firing order, setting the injector first to load the rocker shaft, We'll start with A being cylinder 1 and first in firing order.

Oct 5, 2009 · I have a 5 Ton with a Cummins NHC 250 engine in it and it has a few issues starting when it gets cold. I keep it up in the high mountains of WY so it can get pretty cold up there. I did purchase a block heater that I will install this fall when I …