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I made a separate thread about the MTVR made by AMG that is a big sister to the 5TTR we are discussing here. In order to keep clear channels of info you can read it here: https://www.steelsoldiers.com/threads/am-general-mtvr-prototype.222821/#post-2602306

I've located and acquired AMG's MTVR Truck #1. I've validated that this truck is indeed the one posted in the first post of this thread. I'm unaware of any others at this time. It's preserved and mostly intact due to the climate. I'll know finer details when it arrives at my motor pool. You can...

***Please note: All information below is listed as factual as possible but may be changed as new info is discovered.*** AMG and Oshkosh have been rivals in the defense contract business for ages to no ones surprise. They were the "big two" that submitted multiple test trucks for the 5TTR and...

For those who haven't been following the 5TTR/M939 ESP thread, it is intertwined with the development of the MTVR concept. I felt there's enough merit to have a separate thread in order to keep information organized as more is discovered. 5TTR/M929 ESP Tread...

I wish you had more photos because I know EXACTLY where that photo was taken. Unfortunately I believe this is the same truck due to proximity, people connections, unique headlight placement, and the 3 marker lights on the windshield. I have it on good authority that this was a later model and I...

You better put that back in. It's structural by this point! rofl But, in all seriousness yes good catch and all too common on HMMWVs now days.

If they're needing bushings I replace the whole torsion rod/dog bone. It's more cost effective for me. As for the LMTVs they always get cab bushings, rear sway bar bushings (top and bottom), and A1R's get rear cab bushings too. This one I just painted had good rubber since it went through some...

I got distracted by an M817 and M35A3 that came in that needed triaging. Now the M1078A1R is finished.

This 07' M1078A1R just got the royal treatment with a 370 hp tune, ECO Hubs, much needed PMCS, and tomorrow a paint job. She will be a clean machine in 24 hours. :beer:

Does anyone have the updated PPM to calibrate the A1/A1R trucks' speedometer? This is with the stock 3.90 gearing, 395 tire, and eco hub installed just to be clear.

It should be plugged in otherwise the fan will operate constantly leading to slower acceleration, more wear on components, worse MPG, and other issues.

Correct. It was a 2.5 ton frame, M939 cab, Cat 3208 engine, and a generator between the engine and transmission. I don't know why I remember this stuff.. :jumpin: I know the military experimented with this idea again on a HMMWV that sold from GP some years back. Here's the link...

This question gets asked fairly often and I have solid info for you to digest. I'll paste it here. --------------------------------------------------------------------------- It's a challenge to get a truck off the island but doable. If it starts, runs, and doesn't leak fluids you're in good...

I know right? They could have just tossed the batteries into the ocean for the electric eels instead. The EPA finally gets a win from surplus. rofl

I run several of these machines daily in a commercial capacity. Yes they are a Dresser 530C. They will handle 10,000 lbs and freely move over most terrain. They can dead lift about 14,000-16,000 by static load before the rear comes off the ground. You will not be able to steer them over 14,000...

It only does this when slaved so there is indeed 24v going to the starter but only at that time, otherwise it cranks like a 6.5L should. I'll check the voltage converter again. The 24v gauge shows nothing unless I put the truck on a slave and it senses the 24v from the master vehicle so...

My truck cranks insanely fast when on a slave (Twice as fast as when on two fresh batteries). The 12v gauge pegs over 19v and my 24v gauge barely moves above the resting position. Thoughts?

Welcome to the site!

It's different for sure. The 7 ton AMG Prototype I have has the exact same dash too. All the knobs are mechanical too so I suspect they use the same cabling as the M939 does for the air intake, defrost, etc.

I want to know more about that! Also you should demonstrate your new crane by lifting it. :mrgreen: