5040 PTO Problem

nh8260

Member
I have a couple problems with my 5040 AC, first i had the starter rebuilt because it would want to kick out before the tractor had a chance to start, wouldn't even turn it over 2 turns before it kicked out and hummed. After the rebuild its still doing it, took me 20+ minutes to get it restarted today, going to have to start parking it on a hill or pulling it off. Would this be the starter or an adjustment?? If so, i will get another one cause this is frustrating!!!

Second thing is if i have a PTO shaft hooked up to the tractor it will not engage the PTO, just grinds gears, if i take the PTO shaft off the tractor the PTO lever will go right in with no grinding, i even put the PTO shaft on not even an inch and it still will not engage. i have no clue what the difference is, if the shaft is on the tractor i don't even get to see if things turn cause i can't get it engaged!!
 
Even when fairly new, I considered the starters on the 5040's junk. Marelli? I think was the brand. Just like the Lucas starters they put on the 200's, when the weather turned cold, nothing but trouble. There's got to be a Bosch which will fit on there. I don't know where you find one. Bosch was the answer to the miserable Lucas on my Ford 655A TLB.

I don't know that I understand what you're saying about the PTO. Could it be the PTO is free to turn enough with nothing hooked up, that it will engage?

AC 6060 was the only tractor I ever had new, and that's because I bought it half/half with my father. It had that same antiquated system. The PTO never engaged without grinding.
 
Sounds like you aren't releasing the PTO clutch to be able to engage the PTO coupling !!! An Owners Manual would help you to understand the proper operation of the PTO. I can't tell you for sure because there was more than one type, depending on which transmission it has.
 
Hey Bob and others, the starter that is on it is a Bosch, on the PTO i have the 9 speed tranny, if i move the lever over to independent with nothing hooked to it the lever goes right in and the PTO turns fine, the PTO shaft turns over by hand as well. If i have a PTO shaft hooked up, the lever won't go in, it just grinds. i can unhook the shaft off the tractor and it works good. I slid the PTO shaft on not even an inch and the lever would only grind. For some reason if a PTO shaft is on the tractor it will not engage.
 
Concerning the starter, I would jump start across the solenoid and see if it still kicks out. This would tell you if the problem is in the starter , or a switch or wiring. When doing this be sure the tractor is in neutral and I would have a person sitting on the seat holding the clutch pedal down for safety sake
 
If its the 6 speed you need to push the clutch pedal ALL the way down before trying to engage the PTO lever and it will still grind a little when it engages.Adjustment may help and the clutch could need replacing.With the starter issue as said the original starters on those were not the best,the best starters I have found are the ones made for the Long tractors.Get one off ebay for a Long 445 or 460,I replaced the original starters on both my Oliver 1365 tractors with those starters big improvement.
 
There's no clutch involved when you engage that lever. It's like trying to shift the transmission in to gear when you don't have the clutch pedal depressed. Like TF says, push the clutch pedal all the way down and shift the PTO in to gear, unless it has the hand clutch lever next to the shifts like the larger Fiats have.
My brother in law had the same issues with his IH 230. I don't know to this day if I ever got it in to his head that you can't just engage the gears without releasing the gears. He just kept saying he had to shut the engine off, engage the PTO and start it with the PTO engaged.
 
i tried that, actually pushed the clutch all the way down for over a minute but still grinds, thats so weird it will shift fine with no shaft on and if the shaft is on even 1/2 inch it grinds. Beats me
 
I've got so darned many pictures, I can't find what I'm looking for. It doesn't have a long lever just to the left of the gear shifts that hinges at the front does it? Has a big knob on the end, tips up toward the dash? If it does, you have to lift that up. If not, it's the one where you have to push the pedal all the way down. Two things could be the issue. It might be out of adjustment and not releasing, but most likely if it's been sitting for a while, the clutch disc is stuck to the flywheel.

Those things have a real odd clutch set up. The tractor clutch doesn't run against the flywheel like most every tractor ever made, the PTO clutch does. I'm trying to think what you could use to break it loose. The only thing I can come up with is hook a brush hog to it, run it in to some willow brush with it running and push the pedal all the way down a time or two and see if it breaks loose.

Did you determine that it's not loosing prime after you shut it off then and that the problem is the starter?
 
i found some on ebay, looks like there are two different shapes and makes of them, do you remember which one you got?? The bottom starter is 3.0 kW while the top one is 2.6 kW. Links to them are below.

https://www.ebay.com/itm/New-Starter-Long-Tractor-350-74-89-445-74-89-550-74-89-replaces-0001367014/273563887487?hash=item3fb1ada77f:g:pcwAAOSwbKdb7y7H

https://www.ebay.com/itm/NEW-STARTER-LONG-1010-350-360-445-460-550-560-TRACTOR/153482137333?hash=item23bc3f8ef5:g:1HgAAOSwT-JdP4qP
 
It has the PTO control that is behind the gear shifts, to the left is independent and to the right is i'm guessing like a ground speed PTO? How do you do any adjustments on it? I looked in the manual and it doesn't say anything about adjusting it. No its not loosing prime thank goodness
 
I looked on ebay,the starter came from DB Electrical and the one they list has the last numbers as 4807375 cost about $130 think that is the one I bought.Have always had good luck with the starters and alternators that DB Electrical sells.
 
Mine has the PTO clutch lever. I don't know how to adjust the two stage with the pedal, but it shouldn't be hard to figure out. There should be two linkage rods on the left side ahead of the clutch pedal. I'm guessing the one at the rear should be the tractor clutch and the front one would be for the PTO clutch. Push the pedal down, see if the front one moves when you push all the way down. If not, adjust the linkage until it does. Of course you could just do a Google search for adjust AC 5040 PTO clutch.
 
Looked at my Long 350 today, thinking about your pto problem. Notice a small flip lever that can be used to limit clutch pedal travel when not using the pto. Take a look, the pedal should go down to footrest.
 

Easy way, click the pto switch into position as soon as the engine catches when starting. Not helpful for equipment, good for engaging loader pump.

Safer for equipment: reduce rpm as low as possible, disengage both pto and foot clutch, wait 30 seconds. It will only grind a bit when you engage the pto

It always grinds a bit, I was with my father when he bought the tractor and I have it today. That stuff is all original on a loader tractor, still works same as new 40 years later.
 
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