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Hydro Leak

H

HydroPuddle

Member
MOD: Please move to 9n forum... sorry...

Recently began a relationship with a 1943 Ford 9N. I use it for the light duty job of grading roads on my property. It's been very reliable up until it developed a severe hydro leak. I really wish I could tell you what the name of the part is where its leaking from but I am a total NOOB when it comes to tractors.

It leaks and I need some advice before I go taking the whole rear end apart. Even if somebody could simply name the part for me I could start doing some searches.

The photos show where the leak is coming from, the red arrow is the leak. The yellow arrow is the crown nut that won't come off, the shaft just spins and I really hope its not snapped.

mvphoto13352.jpg

mvphoto13353.jpg

mvphoto13354.jpg
 

I did some searches for axle trumpet, found a tutorial from an tractor club that referenced lower lift pins. So I reckon my tractor is leaking from the starboard side lower lift pin which appears to be a typical issue "Most tractors leak from the lower lift pins".

The author said guys with small hands may be able to access to the pins through the PTO shaft hole. Sounds like othroscopic surgery.
 
It's douptful you'll do much from the pto hole.
It really isn't a hard job to remove the Port trumpet, slide the differential out and do both of them.
 

Thanks for your help. I feel stupid not knowing what the thing was called. Found a ton of info on this, it doesn't look that diffult to remove the entire port trumpet housing.

I do have a quick question though. Can I remove the entire assembly by simply removing the 11 nuts that hold the trumpet on? I realize it will weight quite a bit but in some posts with pics it looked like you could. Other posts removed the brake assembly and the axle entirely. I will remove the tire and fender first but I have a hoist, I only need to swing it over a smidgeon to get access to the lift pin bolt. Am I 11 nuts away from access to the back side?
 
Yes, remove tire and fender, then 11 bolts plus the brake linkage, then whe hole shebang will come off - trumpet, axle, brakes - in one piece. And yes it is heavy but not hard with a engine hoist or a buddy.
The differential is heavy too. You kinda have to remove it with your fingers not hands but slips right out.
My 2N leaked there for a couple of years. Left oil spots everywhere.
When I finally fixed it it was one of those DOH! moments when you realize you shoulda, coulda, woulda done it earlier.
There shouldn't be any surprises.

Edit:
Oops, I've been worrking on later tractors too long. No brake linkage on a 9/2N the brake rod and pedal will come off with the trumpet.
 
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