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I pulled the cargo cover off to pressure wash it, and now I am trying to decide whether to leave it off or not. Does anyone know approximately how long these tarps last if you leave them installed? I guess I am mainly wondering how much the sun will deteriorate it, coupled with wear from it...

I ended up just getting a weighted tag. Next year I may change to either a normal tag or a lower weight one at least. For now I just wanted to be sure I had all of my bases covered and not take any chances. When I went to the local DMV office, the information for the truck was not in the...

OP - how did you end up registering yours? I recently registered my M1078. I registered mine as a truck and got a 24k weighted tag.

That is good to know. Glad you found the source of your problem. When I have some more time, maybe this weekend, I will try checking that on mine too. Thanks!

I hit 55MPH this morning. That was turning 2500 RPM. I tried to grease the throttle pedal linkages so that it would operate a little easier and bent the pedal back flat. Now I can give it just a little more pedal and it will hit that 2500RPM mark easier. That also seems to be the shift...

I didn't ask about that one specifically, but I think they could help you pick one. They were very helpful when I called. If I have to replace mine at any point, I would be interested in the one piece one too. It would be easy to service those, it looks like the top plate just comes off...

The park valve can be replaced with KN20035 and the Trailer valve with KN20025. The newer trucks use a one piece manifold that contains both valves, and is serviceable. I took the bolts out of the plate holding the two valves, but there is not enough slack in the lines on mine to pull the...

Nope not yet. Next I guess I will try working backwards from the front emergency gladhand and see if a valve somewhere has malfunctioned. I called Haldex to ask a couple questions about the operation of the System Park and Trailer valves. The Delivery ports on the System Park valve are...

Yep it definitely holds pressure when I cap that one off. I hooked up my air hose adapter to that gladhand and the system holds pressure.

No such valve on these. I replaced the check valve last night and it didn't help. The check valve is on a T fitting, with one side going to the gladhand, one going through the check valve, and the third going inside to the System Park valve from what I can tell in the TM. It only dumps air...

Good point it could be dried out o-ring. I am still digging through the manuals to see where the different lines run and what valve is where. Thanks for the reminder to look in that manual, I had it, but didn't realize it had all of those diagrams. The other TM has some procedures for...

Thanks I have been reading through those, but I don't see a troubleshooting item for this particular issue. The diagrams in that particular TM will be useful for sure. I think next I will check the truck protection valve. The emergency gladhand also had some small pieces of (plastic?) being...

Looking for some ideas on what to check. Whenever the System Park is disengaged, air is venting (a lot of it) through the front emergency gladhand. I replaced the one way check valve mounted beneath it on the T fitting, but that didn't help. I have seen some info online talking about...

OK I called back and gave them the serial #. They quoted me the ratios that DSD277 posted above. They gave me the specs for a 3000 series transmission, and said there wasn't much information on the MD3070PT. 1st - unknown, not listed 2nd - 3.49 3rd - 1.86 4th - 1.41 5th - 1 6th - .75 7th - .65...

If you can swing it, get both and then keep one of them. You can swap parts from the one you are going to sell and keep the better truck if one seems to be in any better shape. I would love to make an RV out of one of these but I will get more use out of my M1078. You could try marketing one...

I ended up rotating the rear battery cable that links the two batteries together. It was installed with the cable running behind the posts, and I rotated it 180 so the cable runs in front of the posts. This gave it enough clearance for the recessed parts of the cover to clear the cable in the...

The gear ratios you quoted make sense. I just tried out a gearing calculator online and plugged in values. If I use the adjusted tire size measurement to account for squat of the tire, then the .65 ratio seems pretty close for the RPM's I was seeing at 50MPH. I was able to get the serial #...

Check this thread here: http://www.steelsoldiers.com/showthread.php?122863-FMTV-Highway-Speed

Also found this, which seems to correlate to the two different designations for the transmission. I won't know for sure until I get the serial # of mine. http://www.makcotransmissionparts.com/Allison-MD3000.html

I have edited the original post with updated information. The gear ratios posted previously do not appear correct. I took the serial # off mine and called back to ask again. They quoted me the gear ratios for a 3000 series transmission and said there wasn't much information on the MD3070PT...