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ASA plastic is the way to go here since it won't degrade with UV radiation exposure. I believe that's the same plastic that's used for making automotive bumper covers and dashboards.

Sounds like your fuel system needs to be tightened up. My truck sits all winter (several months) and has never lost its prime like that. The only time priming is an issue is when I replace the fuel filter. Then I gently crank it for some time before it fires right back up. There might be a...

Only two YF-23 were built. I've seen the one you're talking about - what a beautiful plane 🥰

This reminds me of the F-22 vs. the F-23. The F-23 was the better ATF offering, but the USAF was banking on Lockheed's reputation and success with the F-117. Now that's pretty gamey 😬

What an awesome find! You might have to build a museum of your MV prototypes at some point :p

My truck's heater core leaks too. Until I can pull it out, I have its water control valve disconnected and tied shut with some bailing wire. It hasn't leaked since. I haven't needed heat either though :ROFLMAO: But I do want a working heater someday! It's my understanding that the cores...

I believe that's a mounting bracket for mounting the M66 gun ring or light weapon station. I think many trucks came from the factory with the bracket. My M35A3 has that bracket, though it's somewhat obscured by the muffler and exhaust pipe.

Nice CAD work there! Resin printers are great for this sort of work.

What printer are you using? I use a resin machine for small things, mostly miniatures.

I had no idea they did the generator thing with several vehicles. That's really neat! Gosh this all makes me want to cobble together the nice bits of some beat up trucks into wacky stuff like this. A deuce with a M939 cab for example. That deuce looked like an oddly-short M923 - the height...

Also check the axle vent, and clean or replace as needed. You should probably check all the vents. The same part is used on the military jeeps too.

I've seen one like you described for sale on Facebook awhile ago. That one also had a built-in 3-phase generator. At the time the seller had it in pieces and gave up on the restoration. It was an odd-looking truck!

Thanks for bringing the 5TTR up! I saw the pic in the OP posted here awhile ago. It was a book scan, so your pic is much cleaner (y) I find it interesting that they'd rebuild M939 trucks instead of M809 trucks - maybe they wanted an existing air brake setup? It makes me want to find a...

Your truck sounds great! It makes me want to get a multifuel for the sound :driver:

Straddle brake drum and use both hands to slide it off and lift it - one hand on the hub, one gripping the edge of the brake drum. Set it on a couple wood boards in front of the spindle so you keep it out of the dirt while you go get something to safely move the hub-drum assembly.

Can't you downshift with the gear selector to do the same thing? I do that with my M35A3, shifting down to 3rd gear to engine brake. The operator's manual for my truck says this is okay to do. I have an Allison AT1545P locking 4-speed in my truck. I'd like to have an M809 and a M939, though...

I'm curious about the dual-circuit brake system. For the M35 trucks, a kit was made available to convert trucks from single-circuit to dual-circuit. Other trucks, like some M35A2 trucks built in the late 1980s and the M35A3 built in the 1990s came with dual-circuit brakes from the factory...

Welcome to the site, and thanks for sharing your truck's story with us! That's pretty neat that the army did an engine swap. Did the truck keep the vacuum equipment too? I'm guessing the diesel motor came with a vacuum pump.

That's wild! Are the studs under that carbon buildup still usable?

Nice work! Your 3D model is quite detailed (y)