Welcome! Please use the navigational links to explore our website.
PartsASAP LogoCompany Logo Auction Link (800) 853-2651

Shop Now

   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver

Discussion Forum
:

Opinions on JD 40 lost PTO and clutch

Welcome Guest, Log in or Register
Author 
Joe W.

09-14-2001 05:16:57




Report to Moderator

I was using a brush cutter on my tractor the other day when I accidentally ran over a tree stump. The cutter stopped and forward motion on the tractor stopped also. The motor kept running but I lost the PTO drive (would not engage) and the clutch (the drive is in neutral and will not shift at all). The hydraulic lift is OK. I was wondering if anyone had an idea what might have happened or where I should start checking first for the problem. Thanks

[Log in to Reply]   [No Email]
Cpeter

09-15-2001 17:18:00




Report to Moderator
 Re: Opinions on JD 40 lost PTO and clutch in reply to Joe W., 09-14-2001 05:16:57  
I think you broke or stripped the coupling on the rear of shaft that runs from the clutch to the transmisssion. You say that the input shaft turns freely unles you put it in gear. It should not turn unless the clutch is engaged. The coupling has splines on the inside and wears as it is softer that the shaft. They are no longer available as a seperate item, but come as a shaft and coupling saaembly. I bought one about 16 years ago and the price was about $130 from a JD dealer who had one in stock. It was a frequent enough problem that they at one time stocked the coupling alone as a replacement item that could be welded onto your shaft.

[Log in to Reply]  [No Email]
Clooney

09-14-2001 16:26:08




Report to Moderator
 Re: Opinions on JD 40 lost PTO and clutch in reply to Joe W., 09-14-2001 05:16:57  
Joe, you should pull the shifter cover off & take a look (you will have to unbolt & move the touch-o-matic rearward to get the cover off if it is a standard). I'm betting you tore the counter shaft up (I hope I'm wrong as they are expensive).



[Log in to Reply]  [No Email]
Joe W.

09-15-2001 07:09:21




Report to Moderator
 Re: Re: Opinions on JD 40 lost PTO and clutch in reply to Clooney, 09-14-2001 16:26:08  
Thanks, I will pull the shift cover, take a look and post what I find out.



[Log in to Reply]  [No Email]
Joe W.

09-15-2001 11:09:20




Report to Moderator
 Re: Re: Re: Opinions on JD 40 lost PTO and clutch in reply to Joe W., 09-15-2001 07:09:21  
Here's what I've discovered:

Shifter mechanism and forks OK

All three shafts and gears look OK

Output shaft still engaged to differential although there is about an 1/8 turn of slop.

Input shaft turns freely unless PTO lever is pushed out (clockwise). It will turn PTO / power shaft if engaged.

I turned the motor over to see if the input shaft would turn and it will not so I'm thinking the propeller shaft to clutch may be the problem.

Any suggestions would be appreciated.

[Log in to Reply]  [No Email]
Joe W.

09-18-2001 11:15:03




Report to Moderator
 Re: Re: Re: Re: Opinions on JD 40 lost PTO and clutch in reply to Joe W., 09-15-2001 11:09:20  
Thanks for all the good insight. I have a complete manual for the tractor so that should help. Right now the tractor still has the bush hog attached so I guess I need to disconnect it, block up the back section, block up the front section (engine) and put a sling around the center housing so it can be removed and the prop shaft disconnected from both ends (clutch end and the transmission end). If I am way off base here let me know. Thanks.

[Log in to Reply]  [No Email]
Larry

09-17-2001 13:08:39




Report to Moderator
 Re: Re: Re: Re: Opinions on JD 40 lost PTO and clutch in reply to Joe W., 09-15-2001 11:09:20  
It sures sounds like you twisted the propeller shaft. It is only a hollow tube with solid coupler on one end and splined stub on clutch end. They are not that hard to split and replace just be careful and block carefully. I suggest you do careful measureing of the shaft as there are differences in total length and in the tip on end of splines that fits in the flywheel. Its been several years since I did one but I wrote the specs and adjustments in my parts book as I couldn't find the info easily. post back if need other info.

[Log in to Reply]  [No Email]
George S. in the real NY

09-16-2001 04:11:43




Report to Moderator
 Re: Re: Re: Re: Opinions on JD 40 lost PTO and clutch in reply to Joe W., 09-15-2001 11:09:20  
Joe, Sounds like you will be getting experience at clutch and prop shaft experience. Good work at the check out work. Most likely, you snapped the prop shaft. It wasn't made with that kind of force load in mind. I think I'll keep my 40 on light duty PTO jobs. If you don't have experience with splitting the tractor, talk with folks that have, get advice on how to do it, be real sure of how you block and secure the two parts and think ahead so you don't get hurt or break something. Safety first!!! Have fun. George

[Log in to Reply]  [No Email]
Magoo

09-14-2001 09:27:30




Report to Moderator
 Re: Opinions on JD 40 lost PTO and clutch in reply to Joe W., 09-14-2001 05:16:57  

It doesn't sound good. My suggestions are based on working with a 420. On the rear of tractor does it have the plate above the pto? If so remove it and check to see if the shaft turns with engine running.It is possible that the propeller shaft that runs from the clutch to the input shaft of trans has striped the splines. You will need to break the tractor in half at the trans to replace the shaft. ( do this 2,won't cost much) You will need to pull the cover off the trans to look in side for broken gears. If there are broken gears, tractor will have to be broken in half to remove shafts from trans. If gears look "OK" start engine to see if anything turns. If not, Its possibly the propeller shaft or clutch hub, splines ect.The hydraulic pump is driven from the camshaft, so the lift will still work if trans is not turning. Good Luck.

[Log in to Reply]  [No Email]
[Options]  [Printer Friendly]  [Posting Help]  [Return to Forum]   [Log in to Reply]

Hop to:


TRACTOR PARTS TRACTOR MANUALS
We sell tractor parts!  We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]

Home  |  Forums


Copyright © 1997-2023 Yesterday's Tractor Co.

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy

TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters

Website Accessibility Policy