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Looking for a good running non-turbo 6.5L diesel engine out of a HMMWV, preferably an A2 model with the serpentine belt.

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:

What's the data plate on the differentials? I know the old M915 were 4.44 so I'm curious to know what else is out there that deep. It looks like a quality job.

Send photos and details for the airbag setup please. I run these all the time and they ride rough unloaded.

I managed to pick up this 5 Ton ESP (5TTR) truck today and it's unique. Cat 3126, 7 speed allison, M923A2 axles/cab/hood, and future 7 ton intake/exhaust system. Time hasn't been kind to it but all the oils are clean and tank is full of diesel. The hood, fenders, and doors are absolutely ravaged...

If you think of him let me know. I have one too I'm about to post on.

The dash cluster grounds through the cluster panel and bolts that secure it to the dash. Clean them all and reassemble. Test.

Not enough data known. The best we can conclude at the moment is the one in the photo.

I have it now. It's different than this one in many ways. It's much closer to an M939A3 than anything else. M923A2 + Cat 3126 + Allison. I'll know more later this week when it arrives. The elements haven't been nice to it.

I was skimming an old military vehicle publication circa 1997 and found an interesting truck. It appears there was consideration to remanufacture the 5 ton trucks like they did the M35A2 -> M35A3 ESP (Extended Service Program). The blurb says it has the same Cat 3116 and Allison 1545 as the...