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Just wondering if the 14.00R20s would fit on the stock M818 11.00R20 wheel? Because the recommended wheel width for the 11.00R20 tire is 8 inches and the 14.00R20 is 10 inches would it be that much of an issue? Thanks

Was wondering if anyone knows if there's a wiring harness kit? or Full on replacement wires? My trucks wires have all been spliced into by the previous owners and they're fried as well just wondering if anybody knows of a kit or if I could just rewire the whole truck with new heavy gauge wiring...

Was looking into replacing my canvas top with a hard top simple question really if anyone knows how heavy is the steel top for the M818 truck? I don't need exact but an approximate would be just wondering if one person can put it on and off themselves.

What size wrench do I need for the bolt that holds the flange on? My adjustable won't fit in there and none of my wrenches or ratchets are the right size anyone have any idea?

I just got my T-1138 today and I had noticed that my shaft to the transmission doesn't turn the shaft to the rear shaft with the drum on it but the rear shaft when turned turns the shaft to that would go to the transmission is that normal? Does that mean the transfer case needs constant air to...

I was wondering how much articulation I would lose if I switched the camel back suspension on the rear of my xm818 to front five ton leaf springs? And before everybody says don't bob the truck trust me I'm not planning to. The reason I want to switch the suspension is two parts. 1) I like the...

I was just wondering how wide my Xm818 would be if I put dual 14.00x20s in the back? I know I can put super singles and that would make them 53" but even though the 14.00x20s are only 49" I thought dualed up on the back would look badazz. Just wondering if anybody would have a round about idea...

I was thinking about removing the cab it seemed like it'd be an easier way to take out the old transfer case and put in the new one. My question is would I be able to or with the help of maybe one more person lift the cab off manually if I stripped off the doors, windshield, and roof and all...

I was wondering if the airlines that go to my transmission just control the poppet valve? I will be replacing the transfer case in my xm818 and putting an air switch in the dash so I won't need the poppet valve anymore. I would like to remove the airlines from the transmission just wasn't sure...

Long question ; I have an XM818 it has the T-138 transfer case with the sprag. Now I know from what I've researched it has forward and reverse and I've also read that if the truck rolls backwards while in forwards or vice versa it will bind up and could break the transfer case or sprag or...

Okay, does anyone know what size the elbow is that is on the PT pump which the feed line connects to? My hose between my filter and pump takes a 13/16 wrench can't figure out what size the fitting on the pump is.... Also does anyone know where the cold start prime pump is plumbed into? My truck...

Does anyone know the fuel return line fitting size off the PT pump? Can I use the same size line as the feed for the return?

Hi, new to the forum, new to the Cummins NHC 250..... My questions are simple and basic and if anyone can help it'd be great. First one does anyone know the size of the fitting I would need to go into the PT pump from the emergency shutoff? My emergency shut off is broken need to replace it, not...