445 rear 540 PTO

[wwivhobbit]

I bought a 540 rear pto kit for my 445 and the outer cases are damaged. I bought a new inner cover and am trying to take the outer cover off from the damaged inner cover and it won't come apart. To make matters worse, some of the gears fell out while I was trying to gently pull the two covers apart. So now, even if I manage to get them apart I'm going to need some sort of explosion diagram or something to help steer me in getting it all back together. Does anyone have a pdf file showing this thing that I could possibly print out? Any help would be most appreciated!

 

[Kish318420]

Here is the 540 PTO unit illustration and parts list.

 

[wwivhobbit]

Thanks so much! That's exactly what I needed!

 

[Richard001]

Man, that's a lot of parts. Good luck with that.

Welcome to TBN

Richard

 

[beenthere]

wwivhobbit
Looked up the older 445 installation of PTO unit, and there were some guidelines that may make more sense to you, given you are possibly repeating some install. Posting this page.

 

[wwivhobbit]

Thanks, all! I have the PTO reassembled and ready to put on, which seems to be fairly straightforward and easy, but now have run into a snag on page 3, where it talks about plugging the PTO module into the AM121071 Wire Harness that I don't have! I found the Yellow and Blue wires that are connected, but not the 3-pin and 4-pin connectors that are supposed to be there! Thought about buying a newer wiring harness and rewiring the entire tractor, but that seems like a nightmare of epic proportions and don't think it will solve anything, because I'd then need a PTO jump wire that's also not available!

 

[wwivhobbit]

So, it looks like the missing wiring harness is going to put this project on hold till I can find this elusive AM121071 Wire Harness. Now, I'm wondering, can I go ahead and finish putting the rear unit back together and at least button it up to use the tractor for mowing? If it's possible, should I reattach the wire that plugs in to the rear of the PTO cover? What, exactly, does that thing do? If I hadn't taken all the plugs and stuff out of the original cover and installed everything into the new PTO cover I'd just pop that back on and go. I'm thinking I could just use it like it didn't have the rear PTO kit bolted on for now, till I can find the needed harness, right?

 

[beenthere]

wwiv
Do you have the service tech manual with the wiring diagrams?

If not, suggest that be your next move to track what you need.

 

[Zebrafive]

Here is the 540 PTO unit illustration and parts list.View attachment 565527View attachment 565528View attachment 565529

In this drawing there are two switches key 49. Did your former rear case have any of these switches? None? One? Both?
I suspect (wild guess) these switches tell the module which PTO is operating (rear, mid or both) The module "may" then turn an indicator light ON in the dash to tell which PTO is running. Also if allowed (no sure about this) the rear can run operator off seat, the module might bypass the seat switch???

Thanks, all! I have the PTO reassembled and ready to put on, which seems to be fairly straightforward and easy, but now have run into a snag on page 3, where it talks about plugging the PTO module into the AM121071 Wire Harness that I don't have! I found the Yellow and Blue wires that are connected, but not the 3-pin and 4-pin connectors that are supposed to be there! Thought about buying a newer wiring harness and rewiring the entire tractor, but that seems like a nightmare of epic proportions and don't think it will solve anything, because I'd then need a PTO jump wire that's also not available!

It looks like you have a selector lever that lets you select rear, mid or both PTOs. The original PTO solenoid still operates the PTO clutch. If you are able to hook up the electrical same as before, you should be able to use the mid PTO as before. You "might" be able to also use the rear PTO too, but would not have a dash light or be able to have it operate without an operator on the seat (if that function is supported).

So, it looks like the missing wiring harness is going to put this project on hold till I can find this elusive AM121071 Wire Harness. Now, I'm wondering, can I go ahead and finish putting the rear unit back together and at least button it up to use the tractor for mowing? If it's possible, should I reattach the wire that plugs in to the rear of the PTO cover? What, exactly, does that thing do? If I hadn't taken all the plugs and stuff out of the original cover and installed everything into the new PTO cover I'd just pop that back on and go. I'm thinking I could just use it like it didn't have the rear PTO kit bolted on for now, till I can find the needed harness, right?

I would button up and see if you have PTO functions.


My GUESS is you did not have the switches key 49 before. Since you had only the mid PTO, the dash light for it would always come on when the PTO was engaged. The two switches and module just tell the dash which PTO is engaged.


Does the instructions you have tell when rear PTO will be allowed to operate? As in with or with out operator on the seat?, if park brake must be engaged for operator off the seat?, if it operate in reverse? I am guessing the module is what controls these things.

 

[wwivhobbit]

To answer BeenThere, I do have the technical cd, but finding anything on that has been a lesson in frustration! I most likely need a better PDF reader. I hate Adobe and won't put that on my computer, but the one I'm using isn't all that great.

To answer Zebrafive, thanks! I'll have to study all of that, but sounds like I may luck out Let's hope! At the very least, I want to still be able to mow the yard while I sort out the electrical aspects of this thing!

 

[Richard001]

To answer BeenThere, I do have the technical cd, but finding anything on that has been a lesson in frustration! I most likely need a better PDF reader. I hate Adobe and won't put that on my computer, but the one I'm using isn't all that great.

Well lets see, your current PDF viewer works like crap, but you don't want a better viewer because you don't like
adobe. Why don't you like Adobe? It has always worked great for me.

Bite the bullet, go for Adobe, live with it.

Richard

 

[wwivhobbit]

I didn't say it works like crap. In fact, it's worked very well for many years. When I say it's not all that great, I really meant that it lacks some of the bells and whistles that I've seen before, like the Index and pages, but that might just be the PDF file itself that lacks that information, and without trying anything else I don't want to blame one thing or the other As far as why I took Adobe out, it was because it got into every aspect of the PC and made a mess out of my registry! I ended up formatting my hd and reinstalling Windows to get rid of it! At any rate, they might have changed it, as it's been 15-20 years since i had the last fight with it, so maybe it's better now

 

[wwivhobbit]

Just a followup on the original PTO situation. I got it installed and fired up the tractor and the mower started right up. This is BEFORE pulling up on the PTO knob. Long story short, I fought it for a couple of weeks, trying everything and finally removed the rear PTO kit, the rear hydraulic kit I also bought for it, and put the stock cover back on, with a brand new PTO solenoid and it did the same thing! I then went and bought a new PTO switch and installed that and it didn't change anything so was about to load it onto a trailer and take it to the Deere doctor, when my brother (who's a great mechanic) showed up and convinced me to pull out the PTO solenoid and the guts below it so he could look at everything and found a diagram that showed it going in the reverse direction. We inserted the thing in the reverse direction and voila! It works like brand new again! The installation instructions that came with the 540 Rear PTO picture does show it correctly, but it's so blurry in the printed version I had that I saw it wrong, and the parts exploded view that I found elsewhere showed it in reverse! Beware of those things!

 

[beenthere]

Good information to know, and glad you stuck with it to eventually get it all working. This is what TBN is all about. :thumbsup:

 

[wwivhobbit]

Yeah, once I get caught up with all of the mowing that's been neglected while I try to figure this out, I plan on reinstalling everything, along with the 3-pt. hitch that's been sitting in the box, awaiting install! I won't have the dash lights or any safety features without the proper wiring, but I'm not concerned with that, so much as being able to actually do something with this thing!