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Discussion Starter · #1 ·
Hello all,

So I picked up a steering knob today, neat, and then everything went down hill from there.



Literally, I rolled down a hill almost immediately. Not the point though.

The tractor was jumping. Like a frog. Leaping and shit. I would put the tractor into the forward position and the RPMs seemed to slow then kick back up with force- causing me to ride immessurable wheelies from where the machine was parked all the way to the driveway.

Awesome. Ok, no it wasn't.

So I park the 444 in the driveway and look to see whats up.



Oh shit son, that is hydrauloc fluid.

So the hydraulic motor is leaking, a bad seal maybe?



Could the lack of proper pressure courtesy of a leak cause the tractors erratic behavior? Or is this just another problem? Is there a seal behind those bolts that may need to be replaced???
 

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Put a jack-stand or blocks under the axle and then power wash off all of the oil and dirt until everything is nice and clean. The start engine, put the trans-axle in neutral and push the travel lever into Forward while keeping an eye on the drive motor.

If you have a leak at the cap on the motor, then that's an all-time first for me. First thing you need to do is to figure out WHERE the oil is truly coming from so that this isn't a guessing game.

Serves you right for putting a steering knob on your wheel. :sidelaugh:
 

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Check the oil level in the reservoir. If the pump is not constantly being fed the tractor will "jump". Clean the dirt off and it will be easier to find the leak. Good luck. I know I have had every nut, bolt, and washer off of my tractor since I have owned it.
 

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Its hard to tell exactly what you have going on there, just that the inside of your tire got wet somehow.

Be careful with this one... If there is a leak there right at the bottom of that motor, you could be producing a "penetrating stream" of oil.... Oil that could have enough pressure to break your skin and kill ya.

If you did have oil come out of the axle shaft, then you may have a minor leak in the inner motor seal. This would cause hydraulic system oil to fill up your rear axle. That COULD have caused what you have there, but usually, your going to catch it later than you have, with the rear axle completely overflowing the top out that little vent.

Clean it off, stand your distance, use cardboard sheets to "poke around" if you can't see much. It might only do it under load too. You might need to put the wheel back on and tie it to a tree, then engage motion.
 

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Discussion Starter · #7 ·
Hydriv said:
Put a jack-stand or blocks under the axle and then power wash off all of the oil and dirt until everything is nice and clean. The start engine, put the trans-axle in neutral and push the travel lever into Forward while keeping an eye on the drive motor.

If you have a leak at the cap on the motor, then that's an all-time first for me. First thing you need to do is to figure out WHERE the oil is truly coming from so that this isn't a guessing game.

Serves you right for putting a steering knob on your wheel.
Guess what, Blondie, you got your first! :sidelaugh:

I put her on jack stands, sprayed her down, neutral, and viola!





Sure enough the seal isn't! So once the ground dries I'll service this cheap whore!

Is it an actal seal behind there that I'll need to order or will silicone do?
 

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The first question is "Why did this happen?".

Get out your socket set and check the bolts for tightness.


I have this feeling that they backed off from vibration and oil is getting past the O-ring and has likely ruptured it. Take the old O-ring AND the end cap to any decent hydraulics repair shop and they will sell you a new one.
 

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Check your cover bolts mine were loose. I didn't have any luck finding the seal for the cover plate at any hyd. shop I checked at.
I think Brian has the correct rebuilding kit for that motor I think it runs around $138.00. I finally gave up and bought a used motor on E-bay was cheaper doing it that way.

Mark
 

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Discussion Starter · #14 ·
Excuse the mess in the garage, I just moved in and the first thing the tractor did was piss all over the floor. So there are boxes everywhere, oil, and a carpet is being used as a mat!




I tore the 444 down to fix a hydraulic leak, and pulled a service on it while it was apart. I didn't take any new pictures until I put it back together. I'll find out tomorrow if I actually fixed it!
 
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