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'74 Jacobsen Gt12 Progress Thread


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#1 relic7680 OFFLINE  

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Posted February 20, 2012 - 10:56 PM

It's been awhile since I last posted here, but progress on the tractor was slow and I had to source a lot of parts ($$$). Any way the tractor has been torn down as far as I wanted to go for the mechanical rebuild and cosmetic work. The right angle gear box, clutch idler and front axle have been gone through and reinstalled. I still have to replace a find a few small items, do some light welding, and minor electrical work to finish the chassis. I have a buddy with a restoration shop here in town who is going to do all the sheetmetal, paint, and decals once I get some more parts in. Another buddy of mine is going to rebuild the Kohler. The second pic shows the tractor before I removed the dash for paint and reinstalled the front axle.

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#2 tractorgarden OFFLINE  

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Posted February 20, 2012 - 11:13 PM

Thanks for the update ,It is nice to see progress! Shawn

#3 chris m ONLINE  

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Posted February 20, 2012 - 11:18 PM

Sounds great! look forward to seeing more.

#4 skyrydr2 OFFLINE  

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Posted February 21, 2012 - 04:36 AM

Wow, didnt know they made a 12 HP standard shift ? Way cool!

#5 mjodrey OFFLINE  

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Posted February 21, 2012 - 06:00 AM

You are coming along on it.

#6 KennyP OFFLINE  

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Posted February 21, 2012 - 06:26 AM

Good to see you back posting. Looks like progress is going well. Keep us informed, I want to see more of this. Not many posts about Jakes in this type of refurbishment.

#7 daytime dave OFFLINE  

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Posted February 21, 2012 - 08:46 AM

Looks like good progress.

#8 josh deaven OFFLINE  

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Posted February 21, 2012 - 12:56 PM

Yes, They made a standard shift in the 12hp model.Keep up the good work Ross.

Edited by josh deaven, February 21, 2012 - 12:58 PM.


#9 caseguy OFFLINE  

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Posted February 21, 2012 - 06:01 PM

Looks like a great start! Keep up the good work!

#10 relic7680 OFFLINE  

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Posted April 20, 2012 - 12:55 AM

Latest update:

- Bodywork and paint done on the orange parts....white parts and the dash are in progress at my buddy's shop. The wheels should be on the tractor along with the body pan/tool box/seat before school lets out for the summer.

- Chassis is complete w/ possible exception of needing a new RF spindle and/or wheel bearings...more on that later. Just finished wiring harness repairs today.

- The tractor is a actually a '73 model...confirmed by the early '73 Kohler serial and a '72-3 only front belt tensioner setup. The serial sticker for the tractor was supposed to be on the body pan below the dash, but it was long gone. The original deck was also equipped with a similar decal, but my deck was a generic NOS replacement from a warehouse after the original rotted out.

- Kohler K301AS is completely apart and undergoing measurements/cleaning. Engine was badly overheated due to debris packed in the cooling fins under the shroud and generally worn out from 30+ years of use. Major components needing replaced are the head, piston, and rod....rest of the parts to replace are typical rebuild items.

- 42" mower deck is to be painted white after the tractor is done and spindles will be gone through as needed. Still after a belt cover and chute...

- All the decals have been documented from other tractors and will be fabricated by two shops; half the decals I already had were wrong.

- Deck lift handle assembly out for chrome in PA

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#11 KennyP OFFLINE  

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Posted April 20, 2012 - 05:51 AM

Looking good! Which one of those intakes are you going to put on it? :bigrofl:

#12 bread320i OFFLINE  

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Posted April 20, 2012 - 06:43 AM

Fantastic job. I like the attention to detail.

#13 Russ OFFLINE  

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Posted April 20, 2012 - 08:02 AM

Nice looking on what ya got so far,, But I got to agree with Kenny on which intake ya going to put on,,,,lol

#14 relic7680 OFFLINE  

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Posted September 22, 2012 - 06:56 PM

I know I haven't posted here in a while....work was slow getting done. Anyway, the state of the project is basically what you see. The Kohler K301AS block and crank are at the machine shop and some of the decals are still being custom made locally.

The grille assembly and hood are ready to install after the engine goes in. The cowling support will still need work and paint; the deck lift lever assembly has been chromed and only needs paint at the bottom. Gas tank is good to go w/ new gauge; only a carb rebuild and some fresh lines are needed to complete the fuel system. Wiring harness is repaired and only needing battery/cables for completion. I got a line on a FREE battery and I'll get the cables discounted where I work.

All four original Goodyear tires got German tubes installed and the local tire shop did a nice job not scraping up the wheels putting the tires on. Front wheel bearings were sourced from Fastenal....identical to originals. I've had to spend significant resources getting all the little hardware bits in place, especially to adapt the generic seat, but it's been worth it.

Hopefully the tractor itself will be done by mid December and then I can start on the 42" deck.

Sidenote: If anyone has the speed nut that goes on the hood to secure the battery cover, I need one. The paint shop lost mine.

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#15 KennyP OFFLINE  

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Posted September 23, 2012 - 07:07 AM

That is looking very good! Check out these taillights for it! As far as the speed nut for the battery cover, do you have a Fastenal close by? They may have something close that would work. I haven't had a chance to see what the original looked like, so can't say what to use.
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