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Thanks for the compliment on the tires! I searched the part#s for the filters but I kept coming up with different numbers thats why I thought I'd ask. I am heading to Cummins today with the numbers I have and see what they come up with. Thanks for the link!

Putting it back in took all of 20 minutes, it was harder to get out than put back!

Yes the truck was empty, I think the altutude there is around 8k so Im sure that has allot to do with it, plus the hills I am talking about are about 3.5 miles down then 1 mile flat then 3.5 miles up. It even drops my powerstroke when pulling but I just thought going into 3rd empty was excessive.

I ended up using valvoline starting fluid, a small wiff then another wiff when she started to fire, this got her going. Thanks all for the help.

I installed a used starter and repalced my batteries and the truck turned over faster than I have ever heard her! Thank you all for he help.

I brought my 5 ton down from the mountains today, through Wy on my way to Utah. On the highway, going up hills my truck will not maintain good speed. I had to drop to 3rd at one point and was doing about 25. Is this normal? With all the low gears/power I thought Id be able to maintain 50 going...

Does anyone have the part numbers for the oil/fule filters for a Cummins NHC250 on a 5 ton? I have found the following info: Oil, from Cummins: LF670 Filter and 33092 Adapter are these numbers correct? I cant find the fuel though, any info is appreciated!

Im checking otu that item, the NSN is different from the number on mine though.

It was tutrning OK until my batteries went dead, I replaced the batteries and then it would hardly crank. I think I smoked it by trying to keep cranking for a few more seconds because it would almost start. I put in the new batteries, tried turning it over and as soon as I did my battery voltage...

Wheres the best place to pick up a starter for an M809 5 Ton with a NHC250 Cummins? I thought my betteries were bad but it looks like its the starter, it barely turns over. Any info is appreciated.

Thanks...any idea where I can pick one up quick??

I leave the glow plugs off when using starting fluid.

Thanks Maccus, Im hoping the new batteries do the trick. I had 1 dead cell in 1 battery so when the temp dropped things slowed down when I went to start it. I ended up buying a block heater from cummins but I didnt want to install that until I got it off the mountains and got it home.

Thanks! I have that type of starting fluid I am just worried about damaging my engine. My truck is in the mountains and this weeken will be my last shot at getting it out. I have had unsuccessful attempts at starting it due to the decrease in temperatures the last couple of weekends. It would...

So does anyone know if the new formula works? I guess they changed propellants in the 90s.

I was told by a friend of mine that WD-40 will get a diesel started and works as well as ether without the potential problems, has anyone else ever heard of this? I'm leary of trying it but I really hate using ether.

Whats the recommended engine oil for the Cummins NHC 250 in winter months? I live in the lower elevations of Utah so getting down to zero would be a rarity. In my powerstroke per the dealer I use 15W40 in summer and 10W30 in the winter. Any advice is appreciated.

It starts fine in warm weather....never had a problem. I was worried about the ether because of all the cautions about the glow plugs. Once I get it going I will take it out of the mountains where I can go through the fuel lines and install a block heater. I just need to get it started without...

Thanks! I take it the glow plugs shold be OFF before you give it the whiff of ether. Also. when I pump up the pressure it only seems to gtet to 60 before it starts to go down, I can never get it to stay at 80 where the instructions recommend.

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 bring it back down for the winter. The question I...