420C Zenith Carb Kit

General help and support for your Lindeman through 2010 John Deere crawler
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skymoco
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420C Zenith Carb Kit

Post by skymoco » Tue Mar 15, 2011 6:01 pm

So I didn't bother to check what kind of carb was on my 420c before I took it apart so the kit for a marvel carb doesn't work. Duh.

I looked around the internet and I don't see anyone with a carb kit for the Zenith that's on my crawler (well, on my bench now). I am not sure what the model number is to even ask the local parts guys.

Any ideas?

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Gil
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Post by Gil » Tue Mar 15, 2011 7:16 pm

To my knowledge, the JD440 was never sold with a Zenith carburetor. The one you have could have been taken from anywhere - John Deere or otherwise. If you are lucky, there may still be an identification disc riveted to the top of the float bowl cover, which has assembly numbers on it. Gil
JD440-ICD loader; JD440-IC bulldozer; JD440-ICD backhoe; JD440-I backhoe; JD440-I tractor; + five recumbent JD440-ICs

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Paul Buhler
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Post by Paul Buhler » Wed Mar 16, 2011 9:11 am

Hi: I found this link to the MS-Zenith Carb manual that I have found useful. Scroll down to find the Zenith section. Paul

http://www.antiquefarming.com/PDF/carburetor.pdf
Last edited by Paul Buhler on Wed Mar 16, 2011 9:24 am, edited 2 times in total.
Paul Buhler
Killington, VT
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Lavoy
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Post by Lavoy » Wed Mar 16, 2011 9:14 am

They never came with a Zenith, so only hope is if there is a tag on it that gives model number, and you can order a kit based on that.
In later years, Zenith Fuel Systems acquired Marvel Schebler, so some times you see the names used together.
Lavoy

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Pammark
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Post by Pammark » Wed Mar 16, 2011 10:30 am

Certain Zenith carbs were used on the Ford Model A's. Post a picture so i can see what you have.

If it is a Model A Zenith, than there are plenty of places to get them fixed, rebuild or parts. My brother in Texas has a club member that specializes in Zenith carbs.

It sounds to me like someone added the Zenith carb because that is what they had lying around.

Mark
JD 2010 Crawler with Loader

skymoco
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Zenith Carb Picture

Post by skymoco » Wed Mar 16, 2011 9:21 pm

I ordered the carb kit that Ralph talked about. I hope its the right one, I'll know in a few days. In the meantime, here is a photo of what I got...

Image

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Willyr
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Post by Willyr » Thu Mar 17, 2011 12:01 am

after the wonderful help from another member here I went to https://robertscarbrepair.com for all my stuff. Alas I lost the catalog somewhere.
former owner of a 1956 420c
All help is greatly appreciated.

Proud owner of a project 1952 JD 60

http://www.youtube.com/watch?v=nFehqXVd9z4

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Lavoy
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Post by Lavoy » Thu Mar 17, 2011 10:14 am

That is a replacement Zenith aluminum body carb. Only way to get a kit is by the model number on the carb, there is no application, it is a universal replacement carb.
Lavoy

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Pammark
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Post by Pammark » Thu Mar 17, 2011 12:50 pm

This is not the typical Zenith carb used on the Model A's. But that does not mean the guy in Texas cannot help you out. I will have my brother in Texas look at the post and get back. In the meantime, it looks like you have a parts listing on the way.

Mark
JD 2010 Crawler with Loader

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Swawpy
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Post by Swawpy » Thu Mar 17, 2011 1:15 pm

I have also found everything I've needed through "Robert's". I bought the set of special drill bits for the air passages and finally curred a hiccup and idle roughness problem I battled for years...highly recommended. I have always used mig wire and torch tip cleaners to poke through the passages and blow out, figured they were clean right? Finally broke down and bought the drill bits...hard to believe- but what a difference...never idled so smooth!

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Pammark
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Old Zenith Carb

Post by Pammark » Thu Mar 17, 2011 1:23 pm

This is Pammark's brother down in Texas. I looked at the picture you posted and it is not any of the 24 different carbs that were used on the 1928 thru 1931 Ford Model A. You would think that Henry Ford had a better idea after going through 24 different models in just 4 years. Those old Zenith carbs were built in France and had metric threads inside. So when anybody asks when American cars started using metric parts...in was way back in 1928.

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JD 2010 Crawler with Loader

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Lavoy
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Post by Lavoy » Thu Mar 17, 2011 2:40 pm

The carb in question is a modern Zenith replacement carb probably made in the last 10 years or less, other than the name on it, it would not likely have any similar parts to an 80 year old Zenith used on a car.
Lavoy

skymoco
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Post by skymoco » Thu Mar 17, 2011 3:27 pm

I ordered the napa echlin 2-1569 kit, which I guess is the parts kit for a number of these Zenith carbs so if it works. I'll let you all know.

skymoco
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On a related note

Post by skymoco » Thu Mar 17, 2011 9:58 pm

Now that I cannot just buy carb dipping stuff, what's the best way to get this carb all cleaned up, brushes and tiny drill bits and lots of elbow grease?

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shinnery
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Post by shinnery » Fri Mar 18, 2011 10:00 pm

Whiy can you not buy carb dipping stuff? I just bought a gallon of Berrymans from Parts Plus for a problem I have with a 17 hp. Kawasaki in a John Deere 260 riding mower. Ma Deere only wanted $89+ for a kit to fit all the carbs used on a FC540V Kawa.
I am going to send the carb from my 440IC to Motec Eng. for rebuild (the main jet is AFU and stripped in the carb).
Bryce
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But, many electrons were terribly bothered.

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