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The MT640 flows much more oil then the AT540. The coolant lines are twice the size as is the radiator. I believe the MT640 uses a AN18 or AN20 fitting .

What's the purpose of surviving a "SHTF" scenario if your going to kill yourself driving a truck with dangerous brakes ? A real survivalist will have stocked piled parts to fix his rig when the time comes. Not try and "shade tree" repair it. I want my rig running like "Mad Max's" if the...

Yes there are a ton of torque converters you can use. So find the one with the highest "torque multiplication ratio" and lowest stall speed and go with that one. Usually it will be around 3:1 with a stall speed of 800 RPM .

The MT643 weighs in at 510Ibs dry and 638Ibs with retarder. Add the 18 qts of oil, and you have your actual weight. Then there is the weight of the cooling system and hoses and extra oil. This information is from my factory manual.

Yes a complete front pump assembly, which will include the stator support. Then you will need to replace the torque converter. A good low stall TH400 converter will work as long as it has the six mounting holes.

Yes soaking them in a bath of Acetone will remove the oil, but it also breaks down the brake shoe fibers. We tried that at the transit department and had the shoes fail in 1/8th the normal time.

The Allison MT640/650 series will fit in a Deuce just fine. The width of the Deuce frame is 34" and the MT640/650 is only 18" wide. The length is the problem. The MT640 is roughly 42" long and the MT650 is roughly 50" long. The weight is another problem. The MT640 weighs in at 510 Ibs dry, and...

That is exactly what I would do. If you don't have a shop that will help you, you can buy "bulk" shoes that are the same size as the original for almost any vehicle. You then must drill them out to fit your holes in the shoes themselves and install the rivets yourself, but at 1/8 the cost of NOS...

Yes you can sometimes get away with "burning" out the oil. It all depends on how much oil the shoes have absorbed. If they have had oil leaking on them for a long time then I would replace the shoes. The oil has gone through the whole shoe. Even burning it will not get rid of all the oil...

Mine is so far from stock now, it's a totally different truck ! Now when I see someone else's engine compartment I have to do a mental shift in my thinking !

The new style will fit right in with no modifications. Just buy it and go install it. Personally I prefer the old style though. It doesn't jab me in the leg when I'm "dismounting" the truck.

Yes. Though after looking at the picture again, it appears to have two ports. Confusing. Need some better pictures of the new unit. For sure it is not a M35A2 Dual master cylinder though.

That new master cylinder you have there is not a "dual" master cylinder but a single one. A new "Dual" master cylinder will run you about $250.00 to $300.00 easy. That one you have is for all the single circuit brake systems used on all the Deuce's until the late 1980's "Air Force" dual brake...

The cable has a swedged end on it, so no you cannot take out the cable.

This is great advice from cattlerepairman. I would listen to it. I was going to give you the information after you bought the truck. No need to increase the value before you buy it !

The original military "double" seals haven't been used since the 1970's. At "Ben's Truck Parts" where I worked rebuilding old military differentials, transmissions', and transfer-cases they had a large supply of them. They where really wide and had two distinct lip seals. One facing in towards...

OK, it's been a while since I've driven an 18 wheeler. But back in the 1970's CB's where the thing ! Breaker, Breaker !

After considering all you and David wrote it doesn't make much sense to try and use old engine oil. Now if it was the end of the world scenario I guess it would be OK, but until then I'll just stick with pump Diesel ! Thanks guys.

Yeap, got the "shooters ear" thing going on pretty bad now too. I would wear ear muffs with a speaker but Washington State law prohibits driving with any noise cancelling device, like ear muffs. So I just crank-up the music ! The music at least provides another sound besides the constant...

I'm still debating whether to buy a "centrifuge" for all my used oil or not. A good centrifuge can remove almost all the small micro-particles of metal that can ruin a injection pump or the injectors. It's just the initial cost. I've found a really good centrifuge that can remove the particles...