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The trailer wiring socket on my M931 was kind of corroded. I managed to get the pig-tail unplugged without destroying it, but just barely. Got it cleaned up but would like to put some type of grease on it so it won't stick again. I was afraid if I used common gun grease that it might attack...

Thanks for the advice helping me fix the fuel prime problem I was having on my M931. I had to prime the fuel pump each time I started it and it would lose prime within 10 minutes after it was shut off. I replaced all the rubber fuel lines, (6) short hoses on tank selector valve plus supply &...

Looks like I should replace the fuel filter on my M931 as the water drain on the filter canister was plugged. Screwed out the drain valve and found a lot of rusty colored crud blocking the drain. The sticky thread at the top of this forum lists a NAPA 3401 filter as a replacement...

In addition to the air brake problem I posted earlier, I have a problem with the fuel system not holding prime. Before starting the truck I have to bleed the air out of the fuel lines with the hand priming pump. Once I do that it will start right up and run fine. If I shut it off for 10...

Hooked my M931 up to my new-to-me lowboy to see how it's going to work. Maybe I'm doing something wrong, but I can't seem to get any air to the trailer. First thing I thought was that the valves were off at the supply hoses, but it wasn't the case. The air button below the dash to charge the...

Ran across this trailer made from what looks like a WWII military truck box...at first I thought CCKW or 1 1/2 Ton Chevy but doesn't seem to match. Shorter and narrower than a CCKW (108" x 70" on tag) and doesn't look like the 1 1/2 ton pics I found (beveled corners on front of box) Anyone...

Lots of post here about making military trailers work with civilian trucks.......what I need to do is find 12/24v LED tail & marker lights to put on a civilian lowboy trailer so I can pull it with either a civilian or military truck.I plan on adding a military trailer plug and splicing it into...

I'm sure any good 15/40 diesel oil is OK for the engine but does the trans oil have any special requirements that not all 15-40 engine oils will meet? (I usually stock Case-IH engine oil for my other equipment)

Thinking of sprying my M931 just to make it look a little more presentlable. Not concerned with a perfect paint job or with using a CARC paint.....probably will just pressure wash it really good (to take off the lichen growing on the hood) and knock down any really rough spots with a sanding...

On my M931 the low air brake buzzer usually goes off after pressure builds up but after braking a few times it comes on again. The brakes operate normally, but I've found that the spring brake override button won't lock the brakes in either in/out position. The manual parking brake (lever on...

Got an M931 about a year ago and like many others was refused a title transfer by the DOT. I was wondering if anyone has had sucess getting MV's titled since rule changes went into effect last July. I started going through the DOT requirements to meet the "substantially in compliance with...

I'd like to wire my M931 to use 2 batteries instead of 4. I have two good batteries and two bad ones and don't want to spend big$ for new ones. I don't think it will have any trouble with cranking power...I use (2) group 31 batteries to start a D6 dozer without problems. Anyway, check the...

Was curious if anyone in Iowa has gone through the process of filing a "Certification of Compliance" With the DOT since the new rules went into effect July 1st. I've got an M931 that I need to get registered. Doesn't appear that there is a lot that has to be done, but not sure how picky...

This may have been discussed before, but I ask: Just got the SF-97 back today for my M931 which came as an Arizona title (since that's where GL is based) Took the title to the county office and all was well until the computer rejected it because it didn't have a 17-character VIN #...only has...

So, now that I've started work on my CCKW, where are your best souces for parts? Doing a 2 1/2 ton isn't like doing an MB where you can pretty much build one out of reproduction parts. (did one about 17 years ago) I'm starting with the engine (as posted in another thread) so those are the...

Can onyone tell me what year this truck is? S/N CCKW-353 185195-2

I've got a closed cab CCKW that I need to get a title for. Can anyone tell me where to start looking for a VIN #? The only thing I've seen so far is a small tag on the driver's side firewall above the voltage regulator. It's difficult to read with all the paint. There are data tags on the...

Won a GL M931 that I haven't picked up yet and was wondering if there things I should especially look out for before starting it up. (it was sold as "driven onto lot") Of course I'lll check engine & trans oil, and coolant. From one post I read the brakes can be stuck if it's been sitting a...

I came across this M172 that has been trimmed down in width to 102" from the stock 115" and was wondering if anyone has seen it done and how much work it would be. Sure would make it more useable not having to get permits all the time even when empty. I see the M172's on Gov't Liqidation once in...