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Finished it today and it shifts fine. But earlier I had to pull the mainshaft back out because I had the 2-3 synchro in backwards.

NOTE: third gear has a small counter bore on one side that fits OVER the snap ring. so you must make sure you use a drift and seat the snap ring in its groove, and then slide the gear on and check it. That way the thrust washer and snap ring will be in the right depth, or you'll have to pull the...

I don't know if its all sorted out yet. Im in the "process of elimination". With your and others help/suggestions, I can avoid buying too many parts that I don't need yet. The parking brake and shift plate has caused many here headaches, so its natural to check them first. I rather start from...

I I assure you if I dumped the clutch on that transmission, I'd be towing it back home. Before I hiked down to a road, I crawled under the truck and checked the parking brake, then got my jack out and jacked up the front member to spin a wheel and see if it was binding. If I had both my 20 ton...

I don't use the parking brake when Im on flat ground, which I was. I shut down the engine, hooked up the pulling cable, got in and started it up, then the shifter wouldn't move into 1st gear. It was stuck. It wouldn't move from the position it was in, which "seemed" to be between first and...

Found one at Memphis Equipment. Brand new! Boyce had a new shaft also on sale for 50$. so when I get the parts, i'll be back pulling Tamarack and Hemlock out of the forest for next year...in 3 feet of snow.

I trying to find another second gear within tolerance. Not much luck so far. I got a new main shaft though, just no gear to put on it.

It looks like a oil hole is bored/drilled in the shoulder of the 2nd gear. So how do it get the loose bearings back around the shaft when I re assemble it? grease?

this is what mine is doing. Not my vid, but same movement.

No metal in the sump. This may have been this way for a while, as I have only driven it down the highway twice, and its always on a gravel (good areas) road or worse, so I may have not noticed. If I can get the mainshaft rear bearing out, then the mainshaft should move to the rear, lifting the...

First and reverse are within specs. 2nd gear has waaaay too much play. I think its shot, and then theres the probability the shaft could be too...whichever is a harder material. I cant fix it until spring, as winter has arrived. The ground is frozen, and I got a JD4020 to completely service...

Yes. I seen that illustration in the TM's here. I thought at first that unequal spring pressure by washer shimming, would bind the shift plate. But the spring pressure isn't very much, the shift plate has almost no wear, and there is a lot of shifter leverage to overcome any "binding" there. So...

yes they were wired. But someone has been in this before I got it because the washers next to the shift plate springs were not correct. I got a rebuilt one on its way. I would like to keep this as a spare, but I got to find another ball detent, as the other one flew out across the field...

shift plate looks good. what I did find is 3 washers on one side of the spring, and one on the other, on one shift plate bolt/shaft. On the other side, there are 2 washer on one side of the spring, and none (cover side) on the other. Is this normal? I didn't mix them up incase it should go back...

PM sent to you.

I PM'd him. he has been very helpful. I didn't know how to attach this pic to a pm, so I told him I'd post it here, so he can reply. Im not sure if the right side "lug" is supposed to match the left side. But the transmission got stuck between gears by itself. engine off, shifter in a gear...

bad or good?

Is that lid complete with the forks?

I need to replace some top cover parts such as the shifting forks, and shift plate. Im having trouble finding them at the usual places. any leads?