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Old 03-17-2010, 04:25 PM   #1
NeoCole
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Default Gravely 8199-KT repower

I just got a Gravely 8199 w/230 hrs on it and a blown engine. It has a Kohler 19hp Model:KT19S Spec:49147 motor on it, but the block is ruined.

I've seen some engines on SmallEngineWharehouse that can retrofit to my Gravely but the costs are close to $2000.00.

After searching eBay I couldn't find an engine that would bolt right up, but I did find this:
http://cgi.ebay.com/ws/eBayISAPI.dll...m=180479878212

A 20HP Diesel...

I don't know if there are kits out there to put other engines on my Gravely, however it is very appealing to bolt up a diesel and call it good..

Anyone else have a 8199 KT? Did you repower it? Or does anyone have a Kohler that they'd be willing to part with for cheap?
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Old 03-17-2010, 05:10 PM   #2
gravelymay
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Default Re: Gravely 8199-KT repower

Hi Neocole

Here is a link to the process where I repowered a 8163B to a 24 Honda .

http://gravelytractors.proboards.com...play&thread=10

A 24 HP Honda from Northern Tool is $1449.
There is also a Briggs Engine for about $1800.

I looked at the 20 Diesel
The bolt pattern will work 32164 adapter.
The problem is crank size.
You need a Crank 1 1/8 X 3 3/4 to 4 inches long
I believe This Diesel is a 1 inch dia.
You will have to move the Muffler.
Call if I can Help 423 716 4611
Thanks Bruce g
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Old 03-17-2010, 09:16 PM   #3
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Default Re: Gravely 8199-KT repower

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Old 03-17-2010, 09:42 PM   #4
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Default Re: Gravely 8199-KT repower

Bruce, wasn't there a posting somewhere about gears for other crank diameters being available?
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Old 03-17-2010, 10:16 PM   #5
gravelymay
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Default Re: Gravely 8199-KT repower

That is on two wheel tractors
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Old 03-18-2010, 08:55 AM   #6
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Default Re: Gravely 8199-KT repower

Quote:
Originally Posted by yamato72 View Post
Bruce, wasn't there a posting somewhere about gears for other crank diameters being available?
There are/were gears for both 1" Briggs shaft and 1.125" Kohler and others. Briggs required the use of a spacer and seperate seal. Seal was 1.125".
Part # 08790200 and 08796400 for Briggs. Briggs gear is no longer available.
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Old 03-18-2010, 09:31 AM   #7
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Default Re: Gravely 8199-KT repower

Would love to see some pics of that tractor. If it has been taken care of, an 8199 KT with 230 hours is a great machine. I ran one for 20 years and it is still my favorite 8000 series rider.
The least expensive way would be to rebuild the motor that you currently have. Are you sure that cannot be done? 230 hours is actually light use.

I think the best way if you had to re-power right now is to take gravelymay's advice. I do not believe you can do a better job at re-powering that tractor with any engine for that cost.

The reason you see so many people parting out riders, or selling them stating, (started to rebuild and lost interest) is because many guys get a tractor cheap and then find out that it is 2K or more to repower. There are not many times I see someone that takes the time to really re-build a rider correctly, especially if it needs a re-power.
The good news is that a 230 hour machine will last you years of service and that is an awesome tractor to have. I hope you dont loose interest and you bring that baby back up to running condition.
Post some Pics!!!!!
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Old 03-18-2010, 08:23 PM   #8
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Default Re: Gravely 8199-KT repower

If had a tractor with only 230 hours on it, I wouldn't hesitate to drop 2 grand to get it running. Unless it sat in the bottom of a salt water marsh, it's barely broken in. The problem with Kohler twins is that have a built in "Blown Engine" indicator, usualy in the form of a big hole in the block, makes them expencive to repair. But if you have to repower, it's worth it. What can you buy for $2000 that would compair?
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Old 03-19-2010, 11:44 AM   #9
NeoCole
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Default Re: Gravely 8199-KT repower

Thanks guys! You're truely awesome for jumping in with your advice. I like the Honda engine and I may go that route. A diesel repower would just be neat, except I worry that I won't be able to find parts.

The tractor was given to my brother in law from a lady who tipped it over. From my understanding the tractor tipped over on her and ran until it ceased up. My brother-in-law got it after it had been sitting for 10+ years. He paid someone to fix the deck and break the engine loose. He ran it for 1 hour and then it blew up. There's a good loud knocking noise when I crank the engine over and it's squirting oil out of the block. I'm going to tear it down this weekend to see if I can salvage the motor. I'll post some pic's soon.

Again thanks for all your feedback, keep it coming.

My other tractor is a freshly rebuilt restored 1948 John Deere M
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Old 03-19-2010, 11:03 PM   #10
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Default Re: Gravely 8199-KT repower

Tipped it over & left it run.... That's gonna leave a mark. I hope she was ok.
Sounds like a fun adventure machine to bring back to life, please post some pix too. Not many Gravely's in Utah, you're an exception to the norm & I wish the very best with it.
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Old 03-20-2010, 01:18 AM   #11
NeoCole
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Default Re: Gravely 8199-KT repower

I think this diesel will fit:
http://a1biofuel.net/Winsun-25hp-Specs.html

Looks like the right shaft size, it might be a little tight, what do you guys think? I will take photos of my tractor tomorrow.
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Old 03-20-2010, 05:38 AM   #12
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Default Re: Gravely 8199-KT repower

Wow, 230 hours and the engine blew up? That's not alot of hours. Sounds like the previous owner wasn't big on maintenance. (I would consider checking the oil as being maintenance). Although I have heard that the governor on the KTs can cause the engine to blow too, but I have not confirmed that suspicion.

You may get lucky finding the engine you need on CL or Ebay. Or you can rebuild the engine you have, if that's an option. Whatever you choose, good luck. I, too, am repowering. I just got a 16G that had a blown Magnum. Engine was parted out by previous owner but I did get a blown KT19 off him. Stay tuned as I will post pics of my process of repowering.
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Old 03-21-2010, 09:17 AM   #13
gravelymay
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Default Re: Gravely 8199-KT repower

Quote:
Originally Posted by NeoCole View Post
I think this diesel will fit:
http://a1biofuel.net/Winsun-25hp-Specs.html

Looks like the right shaft size, it might be a little tight, what do you guys think? I will take photos of my tractor tomorrow.
Hi NeoCole
I hate to be a wet blanket But.
The Crank is only 1 inch Dia and you need a 1.125 .
Also 78mm is only about 3.00 inches you need 3.750 to
The Key is only 6mm .243 instead .250
Boy that sure is a good looking engine if it would work.
It would work on a 400 tractor but
I don't know if the transmission could take it.
Thanks I hope this helps?
Bruce g

Last edited by gravelymay; 03-21-2010 at 09:30 AM.
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Old 03-21-2010, 02:24 PM   #14
NeoCole
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Default Re: Gravely 8199-KT repower

Here's the pictures you were asking for:





Looks like the tractor has over 342 hours on it, but I think it's still a young buck. After close inspection of the engine, it has been rebuilt once before using a new block! Guess that Kohler KT19S is a pile of poop engine. Good thing I have a good helper assisting in the tear down.
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Old 03-21-2010, 02:25 PM   #15
NeoCole
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Default Re: Gravely 8199-KT repower

Quote:
Originally Posted by gravelymay View Post
Hi NeoCole
I hate to be a wet blanket But.
The Crank is only 1 inch Dia and you need a 1.125 .
Also 78mm is only about 3.00 inches you need 3.750 to
The Key is only 6mm .243 instead .250
Boy that sure is a good looking engine if it would work.
It would work on a 400 tractor but
I don't know if the transmission could take it.
Thanks I hope this helps?
Bruce g
I've been e-mailing the manufacture, they're telling me that the shaft size is a special order item. They're going to see if it's available, and how long it will take to get here to the States. If it's going to take too long, I think I will look into the Honda GX670. Thanks for your help!
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