Welcome! Please use the navigational links on your left to explore our website.

Company Logo Shop Now
   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver
 
Marketplace
Classified Ads
Photo Ads
Tractor Parts

Community
Discussion Forums
Project Journals
Tractor Town
Your Stories
Show & Pull Guide
Events Calendar
Hauling Schedule

Galleries
Tractor Photos
Implement Photos
Vintage Photos
Help Identify
Parts & Pieces
Stuck & Troubled
Vintage Ads
Community Album
Photo Ad Archives

Research & Info
Articles
Tractor Registry
Tip of the Day
Safety Cartoons
Tractor Values
Serial Numbers
Tune-Up Guide
Paint Codes
List Prices
Production Nbrs
Tune-Up Specs
Torque Values
3-Point Specs
Glossary

Miscellaneous
Tractor Games
Just For Kids
Virtual Show
Museum Guide
Memorial Page
Feedback Form

Yesterday's Tractors Facebook Page

Related Sites
Tractor Shed
Ford 8N/9N Club
Today's Tractors
Garden Tractors
Classic Trucks
Kountry Life
  
Ford Tractors Discussion Forum
Order Ford 640 Parts Online

1954 Ford 640 Clutch Problem

Welcome Guest, Log in or Register
Author  [Modern View]
toby61

07-11-2020 06:41:55




Report to Moderator

I need some advice. I believe I have either a clutch or throw-out bearing problem on my tractor. I can engage the PTO, let the clutch out to get the bushhog spinning, then push the clutch back down but can't engage the transmission. The gears just grind and won't go into any gear. If I don't engage the PTO, I can put the tractor in any gear with no problem. I believe this unit has a 2 stage clutch. I would have to break the tractor in half to get to inspect everything but have never done so. What are my options? Thanks in advance.

Tim

[Log in to Reply]   [No Email]
MarkB_MI

07-13-2020 08:09:19




Report to Moderator
 Re: 1954 Ford 640 Clutch Problem in reply to toby61, 07-11-2020 06:41:55  
The problem is you have a non-synchronized transmission; it has nothing to do with whether or not you have live PTO. (You don't.) As long as the transmission input shaft is spinning, the gears will clash when you try to engage them. Even if you disconnect the PTO, there's enough friction in the clutch to keep the input shaft spinning.

With that in mind, it should be fairly obvious what to do: Before engaging the PTO, first put the transmission into the desired gear. If you need to shift gears while mowing, always come to a full stop before shifting; that will stop the input shaft and PTO from spinning.

There are tricks you can use to shift a non-synchro transmission on the fly; you can double-clutch or shift without using the clutch at all. These techniques allow you to control the transmission input shaft speed using the engine. It's simpler on your tractor just to come to a complete stop, as you really need a third arm to double-clutch anything with a hand throttle.

[Log in to Reply]  [No Email]
Michaels Dad

07-11-2020 10:58:49




Report to Moderator
 Re: 1954 Ford 640 Clutch Problem in reply to toby61, 07-11-2020 06:41:55  
You really should be putting the tractor in gear first.



[Log in to Reply]  [No Email]
Larry NCKS

07-11-2020 06:53:03




Report to Moderator
 Re: 1954 Ford 640 Clutch Problem in reply to toby61, 07-11-2020 06:41:55  
I should add, you can put an over-running clutch between your tractor PTO and the cutter shaft. That'll eliminate some of this. You should have one there anyway. If not and you want to stop forward propulsion immediately, you won't be able to do it.



[Log in to Reply]  [No Email]
Larry NCKS

07-11-2020 06:49:21




Report to Moderator
 Re: 1954 Ford 640 Clutch Problem in reply to toby61, 07-11-2020 06:41:55  
Your tractor is fine. Once you get the rotary mower in gear, it keeps spinning the transmission gears until it stops turning. You have to put the transmission in gear at the same time as the cutter.

You do not have a 2 stage clutch in 640. That's only found in a 5 speed transmission on pre-'65 Ford tractors, and then only in the *60, *61 an *000 tractors.



[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 © 1997-2020 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