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Group 31 will fit, I like the Odyssey 31M-PC2150, but Optima has the D31A/T. The Odyssey battery has a metal case rather than plastic, and has the equivalent performance to the 6TL/6TMF Military battery you would be replacing. Battery Type/Model 6TL 31M-PC2150 YellowTop D31A Width 11.875"...

Right now that would be a picture of me waiting for the UPS guy, sending emails, or talking on a phone - figured I'd spare you guys that. :)

Spoke with the guys at Off Road Designs (ORD), I am working on a suspension recipe for the truck - they will need to beef up the normal 1-Ton springs they normally sell for my use-case. I will be doing hydro-assist steering with the parts from ORD - I will not be doing the Dana-60 Crane...

In preparation for reenforcing the cab doors, I have a quote in hand for some steel that will go in. This is light ballistic steel. The doors will be "skinned" so that I can have total freedom to work inside the doors, and repair any rust that might be hiding. The external skin of the door...

Didn't even see this thread. Tim Strommen from Fremont, CA.

Sure thing. That looks like a good match, just from a quick spec check. [EDIT:]I'm going to admit a memory lapse - I forgot about the 5000/6000 series Allison transmissions. IF you can find one (very hard to find, and REALLY expensive), these are available up to 4000ft-lbs of input torque...

This tripped me the heck out since I was just writing a post in this thread discussing Allison Automatic options for an ISX swap - got my thread mixed up (where's the post I just did!!). In general, it's my belief that the MT654 and HT740 share the external case part, so I think (check the...

I once heard a great quip "HP is just a number, torque is what you feel". For medium/heavy diesels this becomes a point of importance. You will rarely see a transmission rated by the HP prime mover it is attached to, rather they rate it by the torque of the engine. The current 600HP ISX comes...

Seems I'm always short on both... why is it that the people with no idea what to do with themselves have the most of both? Sorry for the tangent.

I wanna see someone do M928 drive-train swap to an ISX15 (600HP tune) with an Eaton Ultrashift Plus VXP (18-speed automated manual transmission), on two ratio axles... then give it a MK48 cab, make it a 10x10 (4-steer axles, 1-static), and give it a Cormach 34000 E6F64 knuckle-crane, and a...

Anything with an SAE #1 flywheel that put out 445HP or less at 1400ft-lbs or less peak torque. Really common in the private sector too - my Bus has one. One thing to watch for - the lock-up clutch on the military version is aggressive, this is why they had to put anti-lock brakes in the M939...

Looks like a tire-on version of the original MATTRACKS. I'm sure MATTRACKS could be convinced to sell a set large enough for a deuce or five ton (but I'd love to see a set on a 10x10 LVSR :)) - they have a Trac-Tor-Assist model-line that works on 12.5klbs axles (mostly used on large tire AG...

What meter are you using? Do you know what metals the probes are made out of? Normally with a reading that high (it's still very low by multimeter standards), I'd double check that you are getting a good reading first. Try shorting the leads together to make sure it zeros out, and then try...

Any electrical work planned? That was one of the biggest weak points as far as I am concerned with this era truck.

I am giddy!!! I just got off the phone with someone well-placed at a forth military antenna company, and it sounds like they will play ball in selling non-export antennas for this non-exportable project at retail price (this will be very painful). For opsec this is the last time I'm going to...

This is the third try posting this, my dad's computer keeps crashing (if I was at my house this would have taken 5 minutes...) Here is the front end that 2002ford sold me: This includes the front bumper and grille guard (one tie down mount is missing, but I have another route I'm going...

Picked up a tow-bar from SS Member jesusgatos, good deal. This will be used for moving the chassis around and then once everything is buttoned up and "finished" (can a project like this ever really be finished?) the tow bar will be used for towing behind an RV (it's really a bus). I noticed...

One thing to watch for is the main power return paths. In a 12V negative ground vehicle, the vehicle chassis is assumed to be the ground return path - every thread where electrical problems are discussed, you will see at last one poster mention that you need to check your grounds. WARWAG...

I agree to a point, in a rush of I don't have a pre-modified battery, I'd do it that way (NATO plug direct). But since I'm doing this with time and patience, I have a different approach. In general you can run a DC motor on +/-10% of its rating reliably over a long period of time. For 18v...

After reading a Robotool thread about a week ago, I got the idea to adapt Dewalt 18-20V tools to a 24V NATO plug. I'm still working on the idea, but in general it goes like this: Take a dead 18V Dewalt battery, remove batteries Drill hole for 12/3 water/oil resistant cable (UL SOOW type)...