I got the new o-rings but i need to know the torque specs for the … I got all of them off except 1. The belt from the crank to the waterpump has no … You can step up to 290-300 injectors … · my 5 ton m927 has a cummins engine serial: Any guidance/tips from those who … · does anyone have the actual cummins service manual for the nhc 250, not the tm. · i am in the process of replacing all the belts on my 5 ton with a cummins nhc 250 engine. I have a few bad injector o-rings since i am getting fuel into the oil. · the nhc 250 does not have piston coolers, so you will not be able to run it hard. · i have m816 with the trusty 250 cummins. · on idaho motor pools web site (where i have been shopping, cause its close to my place) it says nhc 250 cummins on all the 5-ton trucks (dump trucks, tractor rigs, and … · nhc250 valve injector overhead adjusting many of my fellow haspin rally attendees know that my m818 was quite smokey and running a little rough. · if you swap over to a civilian nhc-250 alternator mount (cheap at truck salvage yard), which will likely be a j-180 short (4 between double ears), it should also give you a lot … How can i find out how old this is and when it was made? They did make small cams in the 400hp range though. May the forum gods have mercy on me, searching on tapatalk is a pita! · hey, what are the recommended parts / tips / tricks when removing, cleaning, and re-installing the clogged fuel injectors on an nhc-250? · cons – parts availability, starts better than the nhc-250 in cold weather but still needs a sniff of ether ive had both nhc-250-powered trucks (m929a1, m928a1, m932) and …