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Implement Alley Discussion Forum

PTO driveshaft help

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djp

08-20-2006 20:56:41




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I made up a new PTO shaft to power my sickle bar mower, however before I press on the U-joints, I was wondering which end of the shaft I should put where. In other words, should the tube end of the shaft go to the tractor end, or should the solid shaft end go to the tractor? I cant see it making a difference. I checked the other 2 PTO drive implements I have and one has the tube end to the tractor side and the other is the opposite. Maybe I am overthinking it...

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Blue Buddy

08-21-2006 16:49:53




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 Re: PTO driveshaft help in reply to djp, 08-20-2006 20:56:41  
after making and fixing them for years, it makes no difference which way it goes really, 6 or 1/2 dozen, so set it up for convenience, here is a thought though, rain will run down inside a tube and fill up and rust, so if I have a choice, I would put the tube to the tractor, self draining when hanging tractor end up



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djp

08-21-2006 19:58:18




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 Re: PTO driveshaft help in reply to Blue Buddy, 08-21-2006 16:49:53  
Thanks for all the insight. I'll assemble the shaft with the tube end to the tractor.

BUT, I was just thinking, if the tube end was to the implement, water would drain out when the implement was sitting out in the field and the PTO shaft was laying down. Hmmmm...



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GeneOliver

08-21-2006 14:43:46




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 Re: PTO driveshaft help in reply to djp, 08-20-2006 20:56:41  
All my implements have the tube to the tractor and the solid shaft on the implement. I like to think that if the shaft separates on the run, what would I rather have slamming around on the back of my tractor, tube or shaft..I vote tube!



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RodInNS

08-21-2006 14:23:00




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 Re: PTO driveshaft help in reply to djp, 08-20-2006 20:56:41  
I don't think it makes a particle of difference. That said, most of my gear with the bar/tube shafts are set up with the bar going to the tractor. Come to think of it, all of it is set that way.... Now with the European stuff with the metric shafts, they can go either way. However, of late, I've taken to trying to stay with one shaft profile, and setting them all up the same way. That way, if I snap a yolk, or a U-joint gives up, I just grab a shaft off something else. For me, that's reason enough to keep as much stuff as common as possible, because I've got a couple rigs that like to eat u-joints and yolks. I always carry a spare bar for the rock rake when I go to the field, because it's a fair bet that I'll need it before the day is out. For what it's worth....

Rod

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paul

08-21-2006 06:19:43




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 Re: PTO driveshaft help in reply to djp, 08-20-2006 20:56:41  
They are set up either way.

Best is to have the outer shield tube, bigger one to the tractor side. Saves a lot of fingers.

The other way, the tube slides up to the end you handle, & will pinch fingers.

Often the bigger shield tube is also on the hollow part of the shaft, so it is better if they are set so that is to the tractor end.

--->Paul



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IaGary

08-21-2006 05:33:52




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 Re: PTO driveshaft help in reply to djp, 08-20-2006 20:56:41  
I would put the solid shaft back at the implement.

Just because then the lighter tube end would be lighter out where you have to lift to connect to the tractor.

My two cents. Gary



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old

08-20-2006 21:15:08




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 Re: PTO driveshaft help in reply to djp, 08-20-2006 20:56:41  
Most of the one I have/ have seen the tube is to the tractor. I think thats so if you pull the equipment down the road you can pull the shaft off and not have it fill with dirt etc.



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Bob

08-20-2006 22:22:55




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 Re: PTO driveshaft help in reply to old, 08-20-2006 21:15:08  
old,

That's absolutely NOT true.

I have seen OEM shafts set up either way.

I have NO idea what criteria the factory engineers use to determine which way a particular PTO shaft is set up, but there is NO predictable pattern as to which part, the tube or the solid shaft are at the front, and either way will work.

Just to verify what I am posting, I took a look on jdparts.com, at the drivelines of several mowers, and they were the opposite of your idea, and I know there are lots set up your way too.

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old

08-21-2006 07:47:02




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 Re: PTO driveshaft help in reply to Bob, 08-20-2006 22:22:55  
What can I say I'm just going by what I have on the place and I think every one I have is set up the way I said but ya they can be either way



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