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Or the tach sensor isn't working right :p I was assuming it used a magnetic tach sensor like the A3 and not a mechanical cable linkage. The magnetic ones either wear out or need readjustment. Though I know nothing about ZF transmissions.

The AT1545 has a lock-up torque converter whereas the AT545 doesn't. The AT1545 only locks up in 3rd and 4th gear. The AT1545 was only installed in the M35A3 with no known civilian applications. Many from the skoolie crowd bought the surplus AT1545 transmissions to replace their AT545s to get...

That's the basic gist, but it involved pretty much a complete rebuild. The Army and AM General recycled the good sheet metal, axles, transfer cases, beds, and frames of many existing M35s and rebuilt M35A3s out of them, with some changes to modernize the trucks to supplement FMTV distribution...

Extended Service Program. The M35A3 and its variants were built in accordance with that program. There was a 5-ton ESP proposed too, but it never moved forward probably because it was redundant with the M939A2 which I believe was planned to be distributed shortly after the ESP was created.

I just learned from the seller that his M35E3C has air-assisted steering and a Cat 3116 in it.

I think that answer is confusing, unless I've always misunderstood rim sizes. I always thought they were nominal diameter by thickness. As for steering, I'm not sure. I've only ever driven super singles with air-assisted steering.

I don't think the gladhand is a good way to drain the air tanks because moisture is going to settle at the bottom of the tanks. Water won't be able to leave the tanks through the air system and through the glandhand, thus tank rot occurs. Draining at the tanks is the way to go. I've...

Those 20x8.5 wheels are MLVW wheels. I think they'll be too narrow for 395s or 365s. The M35A3 uses wider wheels, 20x11. I agree with going with the modern 395s. Make sure you get an assurance with the date codes on them though so you can better expect when they'll start dry cracking...

The lockup at the torque converter helps with fuel efficiency and eliminates fluid coupling lag. These surplus AT1545s were super-popular with the skoolie crowd because of that, mainly for the fuel efficiency improvement. It was also great that it could almost straight-up replace the common...

I'm always on the lookout for more information about the ESP and the projects that were related to it for both the deuces and the 5-tons. Today while skimming the Facebook Marketplace for military trucks, I found what a NJ seller calls an M35E3C. It was built in 1985, serial #0006. It's...

WW2 jeeps were only expected to last 60 days in combat, therefore they used less steel in their engine blocks and heads I believe. Makes me wonder if there's a chart somewhere 🤔 EDITED to add more context to the jeep's life expectancy.

You can downshift the AT1545 too. The Allison manual says it's an acceptable way to engine-brake the truck going from Drive to 3rd since 3rd locks up at the torque converter. I downshift at 30 mph when slowing to stop or make a turn at an intersection.

I can see that happening. ATF makes a big difference in smoothness of shifting in automatics.

Maybe it had to do with the contract proposals and the DoD was none the wiser 🤷‍♂️ The M35A3 is the same way - it doesn't have the same Cat 3116 as the FMTV which can do well over 200 HP compared to the A3's 170. It's my understanding that it's all the same block like the two multifuel...

I had no idea the radiators on those trucks were so big!

Looks great! Are you going to keep it in its FD paint?

I can't help but think that the problem has to do with half the transmissions guts being made of fibrous clutch bands 🤔 I think of them like brake shoes.

Lots of grass on that drivetrain, like they've been sitting so long the lawn started growing on top of them :LOL: No wonder you had a such a hard time getting to stuff in that engine compartment - there's barely any room left! I suppose that's what happens when you re-use sheet metal from...

Where would you even find parts for a LeRoi? I know them mostly from air compressors. Did they make many truck motors?

I always thought the 6x6 10-tons were cool - looking forward to seeing where this project goes! Are they as wide as bridge trucks? That doesn't look very over-width looking at the lowboy 🤔