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I watched MAdams's video about changing the axle hub oil and I saw he had water in his. I got worried so I thought I had better change my hub oil too. I really just wanted to see what was in there. Not water I hope! Well, the good news is no water. The bad news is that all 6 hubs had some...

https://www.dvidshub.net/video/704446/clr-3-maintenance-video-mtvr-grease-points

So I bought some LED bulbs and I am putting them into the tail lights to see if they will work. I was a little bit worried that when I changed the bulb the truck would throw a code saying that a bulb was burned out. But it did not. So here are the photos of the LED bulbs I got from Amazon along...

I am getting ready to install a 24 volt to 110 volt inverter in my truck and I want to put it in the cab to keep it out of the weather. So I was looking for a way to get 100 amps into the cab and I think I found it. The nice thing is that it was there already and it is easy to tap into. There...

My business partner's wife wanted to drive the 7 Ton and so I let her take it for a spin when she was in town. BUT we did not wait for the warm up time and the tranny was cold. The outside temperature was below freezing. She drove about 50 feet, then she wanted to back up so pushed reverse, and...

When I got my truck, the windshield wipers were completely falling apart and even scratching the glass. I didn't have time to order the military ones and i was driving through rain so I ended up grabbing some standard civilian wipers and got it to work. As a work around, I actually duct taped...

So I found out the hard way you do not want to drive the truck before it warms up. My business partner's wife wanted to drive the 7 Ton and so I let her take it for a spin when she was in town. BUT we did not wait for the warm up time and the tranny was cold. She drove about 50 feet, wanted to...

So I was wanting to put LED bulbs in the rear tail lights and I wondered if I could just replace the bulbs. So I took apart one tail light and I was surprised to find it was half LED already. BTW, if you want to take apart the tail light to replace the bulbs, you just loosen the straight head...

So the doors in these trucks are stopped from flying open all the way by a strap at the inside bottom of the door. My strap was broken like this. The driver door would get caught by the wind, fly open, and hit the mirrors. The old strap was 2 inches wide and black. On Amazon, I found a 2...

I found an air leak on my truck. I had started the truck and I was going to clear some of the snow off of it when I heard an air leak. I could hear the leak because snow in the bed was melting and the water was running down onto the dryer. The water ran down to the bottom of the dryer where it...

I was checking the size of the 5 ton cargo bed and the 7 ton cargo bed and they seemed the same. So I thought, I wonder if the cargo cover, bows, and staves would fit on the MK23? So I purchased everything for a 5 ton and installed on my MTVR. And it all worked.

Another common issue with these trucks is the reservoir for the windshield washing fluid is cracked and broken. Mine was still on the truck but it was falling apart. I am talking about the plastic reservoir on the passenger side, under the hood, mounted to the firewall. I did not have much...

First, despite the title of this thread, the batteries do not weigh seven tons. ;) I know many of the 7 ton trucks we get from GP are missing the batteries so I thought I would tell you about what I know about the batteries for our trucks. MY truck came with the batteries. When I went to pick...

So my truck is parked out in a field and I worry that someone might come and help themselves to some Diesel. I also worry that some bad person might come by and throw some bad stuff in the fuel tank. So I set out on a quest to find a locking gas cap for my 7 Ton. I found one. I have it...

I accidentally let some air into my fuel line and now the truck will not start. I think I found the priming pump but I do not know where the bleed screw is. Can anyone help me out with step by step instructions for priming the C12 with photos? Or if you have the MK23 repair manual I would love that!

While working on trucks, it is nice to have an air compressor for the air tools that we need. In fact, I could have used an air compressor when I had my flat tire out on I-15! I knew that the 7 Tons had an air compressor and that there was an outlet on the drivers side under the battery. My...

So I wanted to lock my truck that would prevent it from disappearing one night. I know I could lock the steering column but I saw that the battery switch was also able to accept a lock. So I played around and found that most locks had a shackle that was too large to fit through the holes. I...

I hope this story might help somebody or at least provide some entertainment. I was on PTO last Thursday and Friday (12/05/2019) so I could drive to California to pick up my Military truck. My son and I drove down to get it and we brought a bunch of tools, two new batteries, and one spare tire...

So I bid on, won, and paid for my MTVR. I even paid for the SF 97 and all the CA taxes. And I did submit my EUC. After a few days I checked my status and it said waiting for EUC. So I called GP and said hey, I emailed that in.They said "Oh we are really busy and we probably got it so don't...

Hi, I have a few parts for these trucks, like the tires and rims in the classifieds but I also needed some other parts. One part I need is the steering wheel cap. It honks the horn. So I called Oshkosh Defense and asked them "How can I get parts?" They said, "We are not supposed to talk to you...