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The reason they need the serial number is to determine head gasket thickness for your engine application. However, there are only three different gaskets for the 6CTA 8.3 with thickness sizes from "Standard" to .15mm to .50mm The Cummins part numbers, listed in order from above by size are...

If this is a Deuce, I would re-power the truck with a 12 valve mechanical 5.9 BT Cummins and a AT540 Allison. They are both pretty cheap, easy mechanical engine and trans combo to install and work on and they would both fit nicely in a Deuce package without too much trouble.

The frame extensions, fuel tank, and gear set change are no problem. Could you tell us a little more about the MD3070 transmission mods you want? Also, you can see our work and what we do on either our YouTube Channel which is ARICE50 or our company website which is www.kyrishgovt.com

We're not in Oregon but we'd love to sink our teeth into that puppy.

I like it....I really like it. Would look cool if you could find one of those old Air Force camper shells they ran on the 1008 and do it tan as well....

2500 MRAPS are being distributed amongst the 50 States. California already has 60 (yes sixty) of them. Texas has recieved 28 to date. All models....MAXXPRO, CAIMAN, etc.......

I vote a 686 Tan exterior topcoat with black rims and black brushgaurd/bumpers and a tan interior.......

Ok got it. Sorry I missed the smoke color posting. Not to quibble, but I've worked with 6.2 and 6.5 (and 5.7...that tells my age) since 83 and I've seen alot of pumps and nozzles changed that didn't need it......sometimes something as stupid as a stuck open thermostat, not allowing the engine to...

Never heard what color smoke.....when you say unburnt I'm assuming the smoke is black?

Oh, scratch that on the trans cooler from the M939.....we utilized a Thermal Dynamics aftermarket cooler.

We've done it on a couple of our brush truck conversions awhile back. I'd have to dig up my notes but I know we robbed a trans, trans cooler, shift tower and shifter, from a basket case M939 and did the conversion in about a week. You'll need a good driveline shop who is a Dana/Spicer driveline...

One other test you can do is on the gauge. This test works for all electric gauges in the truck. Simply unhook the gauge and the needle should be all the way to the left. Ground the gauge out and the needle should jump all the way to the right. If it only goes half way or does not completly "peg...

The radiator and CAC in the picture is the same cooling package in a Marine Corps 7-Ton MTVR manufactured by Modine. That cooling package, in the MTVR, supports a C13 Cat and a 4700 Allison. In my repower I was using a Cummins ISL and 3500 RDS Allison. Needless to say....that cooling package had...

Befotre you spend a bunch of money and time, I would recommend running a cylinder cut out test to identify an injector issue. With the truck idling, simply loosen the injector line (one at a time) on each injector (PLEASE DO NOT REMOVE THE LINE COMPLETELY WHILE RUNNING) and see if you notice a...

The P4 is a great crash truck and there are still quite a few in service around the country. I have not put my hands on one in awhile as we handle mostly active P19 and P23 Crash truck repairs and refurbishemnt for the Marines and Air Force. I can tell you that when you get the CAT up and...

Heres a little clearer picture before all the other accessories and hoses were installed.

Yes, I've installed the CE Niehoff 200 Amp 12/24 on two M939 (with Armored Cab) repowers I did a few years back for the National Guard. We had to build a beefy support bracket to hold that bad boy.....heres a pic

For our brush trucks we do lose the throttle cable as we have no requirement for high idle operations unless we have a winch application remaining on the truck in which we case we add a pneumatic air lever operated switch for the high idle which is set at one speed and cannot be manually...

Also, thanks for the correction WellDigger....I let my fat fingers do the walking on the A3 and A4.....

I'm with ODFever on this one.....go 5-Ton M939 Series.