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Man, I'm not sure if anyone else has their preferences set to "Higher Contrast" for viewing this site, but using black/dark text is marginal on the regular site, in my opinion. With the high-contrast, it makes totally unreadable, as seen in this screenshot... I wasn't even sure there was...

Absolutely! It is tough to discern proof of anything from trucks that were in service 30 years ago, so I try to collect things from what appear to be relatively virgin trucks and some GM promo and factory photos. I've seen my share of M1028s with no helper and even a couple the other way...

Mine has the swivel pintle. I'm not sure why they went with the fixed pintle on the contact maintenance truck, but I suspect it was because that is what the outfit who built them used. As far as I know, they would not have come with the rear bumper from the factory, since they did not know...

A M1028A1 was created by taking a M1031 and adding a bed to it. Mine was done in 1992 at TEAD. They have the "B" (incomplete vehicle), rather than the "C" (Chevrolet) in the VIN, as GM72K10 pointed out. I don't think it would have been practical to convert by swapping the t-case, although I...

So, just to be accurate, not *ALL* M1028A1s are conversions... Mine is, and I suspect most were, but this is one of two data plates that I have pictures of with the correct NSN and a VIN without the "B".

The 205 case only came in M1031 and M1028A1 and M1028A2 trucks. Not sure how many of the latter two were actually factory built, but I seem to remember seeing a factory built A1 before. I think most A2s were conversions. My A1 was converted from a M1031. With that said, there really is no...

Very sad to hear this news yesterday. My thoughts and prayers go out to Matt, Shawn and the rest of his family. He was always fun to hang out with and usually had a good story to tell that would make you almost spit beer (or whatever you were drinking) out of your nose... RIP Dudley

Post in CARNAC's thread to be certain, but, in general, for M923s, I have found the following delivery date ranges: The break from '83 to '84 was around truck #3000. The break from '84 to '85 was around truck #7400. The break from '85 to '86 was around truck #8560. The break from '86 to '87 was...

It is most likely the NSN that was used when the truck was entered into DRMS inventory. The EUC flagging tends not to be "random". However, the specification of the NSN can tend to be, depending on who put the truck in the system.

I second this. Hitting the button does not just dump the air. You know how long it takes to fill one of these tires manually? It takes that long for the CTIS to adjust the pressure, too. Was the sand light solid when you tried it? If it was flashing, it was still adjusting tire pressures.

That's about as early as most of the production trucks are. Any idea what the last 6 digits of the VIN were? I have some photos of early/prototype trucks on the assembly line painted 4-color. I have them saved somewhere, but I cannot find them. They were black and white, but you could see the...

Interesting... So, perhaps some trucks were equipped this way when they were delivered. I've seen numerous mid-80's photos of USMC trucks wearing 11.00 NDTs, so that's kind of my basis for my statements in my first post. In fact, GL recently sold several USMC M931 tractors with 11.00 NDTs and no...

I should add that the Marines did also get some M923A1 trucks when production switched over to them in late 1985. Those trucks would have come from the factory with the 14.00R20s, but they were far fewer in number than straight M923s.

This is not really accurate. The truck was most likely built as an M923, but the winch controls and PTO were installed to facilitate installation of a winch at a later time. They did not remove the winches from all of their trucks (neither for shipping cubage reduction nor any other purpose)...

Interesting discussion. Not sure how I missed it originally... Is the truck in question wearing an ISO bed and super singles? They did not come from the factory that way. I think this plate is more likely from the conversion when the M813 was singled out and received it's ISO bed and lockers...

Technically, a decade, from 1983 to 1993 for all variants. :) I think I mentioned that in post #6... :D

If I remember correctly, the US military procured about 38,000 M939/A1/A2 trucks over the years. I would go out on a limb and say that most of these have not come out yet. From what I understand, there is a lot of paperwork involved when turning in vehicles, so all of the talk of furloughs and...

Sorry, I should have been a little more specific. To the right of that bolt sticking out, below the hole in the top of the frame, right above the axle. That's the area they stamped them.

That is not the VIN. You can't see it unless you clean the paint off just behind those numbers. It is very faint and will be C523-0XXXX (probably between 5500 and 6200 in your case).

You've seen that?!?! Paint or grease pencil is what I have seen. I don't think they would weld them to the stud, as the stud would possibly be ruined. It sounds more like the weld was on the side of the nut, perhaps to prevent unauthorized wheel removal? But, that is a real PITA if you get a...