Well, after pressure washing the 8199 and letting it dry I noticed a drop of oil on the concrete. It turns out that I have a cracked transmission housing. Is something like this even available?
Smitty
Smitty
Cracked Transmission Housing
1956_4x4
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Actually, it is not hard at all to find a spare transmission case, I suspect in a day you will find a number of people on here have them laying around.
They turn up on Ebay quite often.
Just a big job to disassemble and replace.
Sheldon
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Housing or whole transmissions available..... 
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I'll put up a photo tomorrow. It doesn't look good. What is the main type of abuse that causes a transmission housing to crack on these tractors? Will I need any special tools when I tear one down?
Smitty
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Special tools - internal and external snap ring pliers, seal drivers, gear puller.
This will give you a taste of what you are in for:
[URL=http://s1002.photobucket.com/user/carrollhome/media/DSC01138_zps0b44271a.jpg.html]
[/URL][URL=http://s1002.photobucket.com/user/carrollhome/media/DSC01144_zps569e5eac.jpg.html]
[/URL][URL=http://s1002.photobucket.com/user/carrollhome/media/DSC01143_zpscf8a446a.jpg.html]
[/URL]Not hard if you have any gearbox experience, but a bit time consuming as you must disassemble a good bit of the tractor.
Sheldon
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Can't say I've ever heard of a cracked case on one of these machines, though since you have a loader it might be part of it depending on how it was previously used. Diving into the transmission isn't that bad, just follow the G series shop manual and it'll give you a step by step process on the break down. Label parts on a large sheet of something like Sheldon did, you don't want to get any of it mixed up.
Rick
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Rick
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GRAVELY still sells everything you will need, and most of the seals have been crossed over to other brands in the various cross references, one is right on this site.
Sheldon
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That's a cool system but I was taught a method that uses regular screws/bolts.
Drill past the end of the crack, tap, thread in a bolt and trim it down flush. Drill the next hole on the crack at the edge of the circumference of the first plug.
Rinse and repeat. You end up with a series of plugs, each a crescent moon.
No special tools or kits needed.
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I wonder what caused the crack to begin with.
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These are the National numbers for some of the seals you'll need. Might as well reseal the clutch hubs while your in there as well. The case seal can be bought from Gravely, or made with bulk material.
Axle: 470165
Brake: 470934
Inner clutch hub: 470211
Outer clutch hub: 472636
Rick
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Axle: 470165
Brake: 470934
Inner clutch hub: 470211
Outer clutch hub: 472636
Rick
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Not that I know of. Maybe from a Gravely dealer, but your looking at a lot more money for the seals. When I priced out 2 of each of those seals, and then a case seal from Gravely it was going to be close to $100 in seals. With the National seals from RockAuto and a bulk roll of material from Napa I think I ended up having $35 in the same amount of stuff.
Rick
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So, for those that have been around these Graveley's for a while...
1. What am I looking at pricewise for a used transmission case or a whole transmission for that matter?
2. How do I identify the model transmission? I found a tag with "2744" on it.
3. Are there accessories that need to be identified when looking for a case?
Thanks,
Smitty
1. What am I looking at pricewise for a used transmission case or a whole transmission for that matter?
2. How do I identify the model transmission? I found a tag with "2744" on it.
3. Are there accessories that need to be identified when looking for a case?
Thanks,
Smitty
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