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Agree. Can’t imagine trying to fix a truck for that long. If he was here in SE Texas we’d had him fixed and rolling long ago.

Oh now that is a problem. I would see if I could hammer in the next larger metric allen wrench.

Different ratio than M113. Same otherwise.

Welcome. When you fix the prime problem and clean and refresh the fuel system, most likely this will resolve.

Diboll TX whatever you do, don’t speed through that town!! Yup FD’s love to whack frames, my LWB deuce which also came from the Texas Forest Service had a similar frame whack. The only time I part out a truck is if it’s rusted to bits. Don’t give up on it.

Wes uses them as a kind of fidget spinner for the eyes I think.

Might have 30,000 but injection pump could be 36 years old and its full of plastic parts that break and then it won’t run. Maybe where you are is a repair shop that specializes in diesels, get it towed there and kick back in a hotel room while they fix it. It’s about a half a day work to swap...

Woof. Can’t tell about rust or crosscut or X cut from pic. I’d offer $500.

Ruff n’ reweld no motor etc $1500, ruff uncut no motor $3000? All assuming minimal rust.

Well there you go and stainless to boot! Thanks dodjh!!!!! About to order one.

If nobody responded that tells you nobody knows where to find one. I sure don’t. They used to show up on ebay for almost $300. That was years ago that I was looking and gave up. Yes the sender is the same as civilian.

Thanks papakb, that means that since the suppression diode is "optional" and not part of the circuit required for the mosfets to switch, either the mosfets are blown too or the upstream gate trigger voltage is not longer present which I have no way to fix. Hmmm.

I believe you are right. The diode is connected between the source and drain on the three 75344G Fairchild MOSFETs, not sure of the purpose. If someone tried to jump the truck off reverse polarity, the +24 volts would travel through the chassis to the engine, backfeed the glow plugs, and then...

Has anyone been down this path already? Big power diode blown up near mosfets that juice the glow plugs. Not sure of rating, will order 50 volt 30 amp or so and see if it fixes box. Box would not glow.

Sure I would. Technically you are not supposed to put tubes in tubeless tires but for what you are trying to do should be fine. Yes the 9.00-16s are very pricy now and surplus ones are ancient.

Most likely the transmission VIM may be the culprit. There are more relays and fuses inside there.

Replace it with a new one of the proper voltage and see what happens.

Welcome! Start by telling your insurer the year of manufacture of each of these trucks and see what they tell you.

Hope it’s not your injection pump failed. You will know very soon. I take my tool bag even going around the block. You never know with these old trucks.

The order of brake release/ putting in gear has nothing to do with anything. Simp is right, these parts are old and used low quality non-milspec commercial components to begin with.