Go BottomFord 1900 - Four Wheel Drive Doesn t Work
 | Tom
Join Date: Posts: 1 
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2000-03-26 14195
I recently purchased a Ford 1900 Four Wheel Drive. The tractor has only 600 hours of use and is about 20 years old. The tractor run perfect and all other mechanical features work fine. When the four wheel drive selector is engaged the drive shaft turns but still no power in the front wheels. It does not make any noise. Is this an easily corrected problem or is something more serious involved. Any solutions are appeciated.
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| Kim Hartshorn
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2000-03-27 14205
Ive got a Ford 1500 4wd...same basic layout. I am not at the tractor right now but I can't actually recall being able to see the front drive shaft. I think it is enclosed. Not knowing how new you are to tractors, is it possible you are engaging the PTO lever? It is much larger than the 4wd lever on this series tractor and the sticker may be missing. The 4wd lever is to the right of the PTO lever close to the side of the transmission. If the shaft you are looking at is at the rear of the tractor you are definitly engaging the PTO lever.
I really do apologize if you already knew this :-)
Kim Hartshorn ....
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| Roger L.
Join Date: Jun 1999 Posts: 0
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2000-03-27 14231
Kim, I'm glad you said that....because I was wondering the same thing. Tom, how do you know that the front driveshaft is moving? I think it is enclosed in a tubular cover. At least the ones on the 1910 Fords were and there is no way you could see if it was turning or not. Another thing to remember is that these tractors don't have lockout hubs. So if the front wheels are turning, they will be causing the front driveshaft to rotate. The driveshaft "freewheels" inside the transmission front cover until you engage it via the 4wd lever. ....
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| Keith Boyd (Huntmas
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2000-03-28 14238
If the guy can in fact see the front driveshaft turning and he has no power to the front wheels, then that means that there is serious damage to the ring and pinion or the limited slip/spider gears. A situation like that may or may not make any noise, especially if someone went in the housing and removed all the destroyed pieces! But like Kim said, if he's looking at the pto and thinking that it's part of the front driveshaft then he needs to get a manual on it and learn where all the controls are. The best way to tell if the 4x4 works is to jack the tractor up on all fours (on level ground of course), crank it up, and engage the 4x4 in low gear. IF all four tires turn, then problem is solved! Like Roger said, I would suspect that the front driveshaft would be enclosed so that you really can't see it turn. ....
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| Tom
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2000-03-28 14240
The drive shaft definately turns when the 4 wheel lever is engaged, but does not turn when disengaged. I'll have to check the tractor when I get home. It may not be the drive shaft that I actually see but a sleeve over the drive shaft. In any event the shaft follows under the belly of the tractor to the front differential. Now let get to resolving the problem. I know the difference between the drive shaft and the PTO. ....
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| Keith Boyd (Huntmas
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2000-03-28 14243
Tom, I did not mean to insult your intelligence and apologize if you felt that way. None one here has any way of knowing your background in tractors. So like you say, let's see if any offers of good advice can help you figure out your problem. As in my previous post, I think you need to jack the tractor up on all fours, crank it up, and engage the the four wheel drive in low gear. You should see all four (well, at least two front and one rear tire depending on design) tires turning. If the front tires are not turning and the shaft to them is, then you most likely have a serious problem. As Roger, said, there are no locking hubs on tractors so you would have to have a problem inside the differential itself. If you can't jack it up on all fours, you can try to jack up just the front end to get the front tires off the ground. Then, with the tractor in two wheel drive, grab one tire and turn it. What does the other tire do? If it turns with the driven tire, or in the opposite direction the limited slip or spider gears (respectively) may be ok. That would point to a bad ring & pinion gear. If the driven tire has no effect on the other tire at all, then you have a serious problem with the limited slip or spider gears. If there is a problem inside the diffrential, and that can be expensive to replace and repair. Let us know what you find.
....
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| Tom
Join Date: Posts: 1
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2000-03-28 14253
Thanks for the info. I wanted to jack it up and try turning the wheels tonight but I didn't get home until late. I might not get a chance until the weekend to check it out. When I do, I'll post with the finding. I don't know if I want to get into the working of the differential. I use to be in the trucking business and did alot of that kind of thing. I'll probably just take it to somebody that knows what they are doing. The way I work, It will probably take me a couple of weeks working on the thing part time. Thanks again for the help. ....
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| Tom
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2000-04-01 14345
Thanks to everyone that sent suggestions. I think, I have the problem resolved and its seems to be a simple fix. It appears to be a coupler that joins the pinon shaft to the drive shaft. Just a little collar with splines inside that slips over the splines on the end of the drive shaft and pinion shaft(this drive shaft does not have any universal joints). This coupler broke and was wedged between the drive shaft and the drive shaft sleeve. That explains why the sleeve rotated when the four wheel drive lever was engaged. This coupler definately appears to be a weak link. I would have thought this would have been a common problem. I have ordered the part it will be in, in a couple of days. It pretty easy to fix. The worst part is that the transmission had to be drained to drop the cover plate where the power shaft comes out of the transmission. Additionally, I want to put a new oil seal in the pinion shaft and it looks like I'll need to drop the oil pan to provide clearance. Just some little nuisances. I'm pretty sure this should be the fix. If its not I'll let you guys know. ....
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| Kim Hartshorn
Join Date: Posts: 1
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2000-04-01 14347
Tom...That's great news! I am wondering about the pipe sleeve that the shaft is supposed to run inside of. Is there any indication of it? Is it missing? it might be handy to have...especially if you are going to be doing any mowing in high stuff.
Nice Fix
....
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| Tom
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2000-04-22 15006
Well I got my tractor running. It really only took a few hours labor and about $100.00 of material including new hydraulic fluid and gear oil. The only problem was getting the hydraulic pump primed. I had to crack (loosen) the bottom line to bleed. Oil blew out all over the place. Other than that pretty simple mechanically. ....
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