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I scored one of the brackets that Suprman and others have for sale. I was convinced this bracket fit over the alternator, but this is not the case. It fits outboard of the air compressor, bolting down low on the block. Only problem is, the bracket is only part of the story. There is no way...

As delivered, FMTVs have the two front 12 volt batteries connected in parallel, and the two back 12 volt batteries in parallel, and the front pair are connected in series with the back pair.

Member "Ukraine Train" here carried a 8700 lb lathe in his LMTV (search in LMTV forum). I think the brush truck rollover problems occur when FDs put TWO Beta tank modules in a deuce. I would put the Beta as far forward as you can. Get some U bolts made that go from the bottom of the truck...

Looks great and your photography background looks incredible. OK, looks like you are a blasting pro, tell us about your set up. I see a 2 sack pot. Isn't is a productivity suck to have to climb up on the back of the truck every 10 minutes to pot up? Or does your helper do that? I'm a one...

M38A1 were all 5.38:1 ratio.

Wow, looking incredible. Assuming she is twin Detroit powered still?

Batteries are covered in TM 9-2320-365-20-3 Chapter 7 para 48, which can be downloaded for free from the "technical manuals" tab, "present conflict vehicles" subcategory. If you have left the batteries connected, charging the left battery will also charge the right battery, as they are...

Keep charging the battery you have been charging. It will need longer than 1 hr to come back from death. The second pair in series with the first (in back) should not be discharged and will not need charging.

If the batteries are stone dead, that would be expected.

ECM voltage low is the key one. Somewhere between the batteries and the ECM, there is an intermittent connection. I would start at the battery box, cleaning and verifying all the connections.

The lights are 12 volt, so only the 12 volt battery pair will be discharged. You do not need to disconnect the batteries, just connect the charger to one of the 12 volt batteries, and the second that is parallel connected to it will be charged at the same time. Refer to the battery connection...

That info should be on the main data plate, to the left of the steering column, down low.

Well it's not a member of the M149 family. It may be a unit ordered for the Navy or AF. I would just use it like you want to.

If you ever had to drive down a mountain grade in an air brake truck, it would be clear to you why you would not want your air to be pizzing away when you apply the brakes. Follow the diagnostic tree in the TM and replace the defective part(s), which it sounds like you have already identified.

Agreed with M1010plowboy, look in the area of the knee action shock on the pass side. This number will also be on your data plate in the cab, but sounds like you don't have that available. Sometimes in Texas, these trucks are VIN'd with the motor number, that of course would start with 302 . ...

All the early '69-70? 800 series models seem to have the X designation.

The 726 based SECM truck has a pto welder/generator, so I suspect that one is a transplant.

There are 4 steel cables equipped with hooks on each end, and a turnbuckle. These cables connect the top rings on your 250 to the shelter tiedowns on your truck. PM me if you need the cable/hook/turnbuckle assys.

If it were the rear axle I would guess the CTIS seals were leaking.

The rings are a milspec part that fits dozens of vehicles. M151 1/4 tons, 939 series 5 tons, MRAPs, are vehicles that are frequently parted out that are a source for you.