Leaking oil after hydraulic oil change
 

So I changed the hydraulic fluid on my 1250 yesterday, everything went pretty well, but when I went to do some work on the lift rod today (need to shorten it) I noticed that the left rear axle seems to be leaking hydraulic fluid. I've attached a few pictures.

I did notice when I was changing the fluid, I don't think nearly 7 quarts came out of there, so maybe this leak is where all the previous fluid went. I took a few pictures during the fluid change of the inside of the back, so I'll upload those too.

Any ideas / suggestions would be helpful, it looks like a pretty serious leak if all that leaked out overnight.

Thanks,
Briton

Time for new axle seals.

Looks like you have a leaking axle seal. Cub part#721-0187 or NAPA #9878. You will need to drain the rear and pull the axle if that is where it is leaking. If it is, do both sides.

Looks like that has been worked on before because it has the disc for external brakes but I guess you have an internal brake because the calipers are missing.

Thanks for the part #s, do they go over this in the service manuals? I have them downloaded already.

EDIT: Found it in the service manual already.

Thanks guys!

I didn't look but I think it is. I think all you need to do is pull a snap ring and it will slide out. The new Cub part # is 921-0187.

Yeah the service manual seems to have pretty good instructions and a few pictures too. Thank you Oak for the new part # as well :)

Use caution sliding the axle into the housing, so as not to damage your new seal.
And it is good practice to lube the lip of the new seal and the axle in the seal area.
This makes sure it has lube till the lubricant finds it's way to the new seal.
Its not such a big deal on a slow rpm application, but it only takes a minute.

So I drained (most of--as you can see some is on the floor, but some of that was from the leak) the oil again, got her jacked up, and I got the c clamp off and the axle out and I don't have a puller tool that the service manual describes, so I've been kind of ruining whatever that seal is--I think it's the one I'm replacing? The rubber on it was partly gone, but before I completely destroy something I don't know exactly what it is getting it out (I'm using a couple flat heads, any suggestions are welcome) I figured I'd double check I have the right part before I have to go the store again.

I have red arrows pointing to the gasket I'm talking about (the outermost one)--It looks like the part I have, and feels like it too from the inside, but it's got so much grime on it I just want to hear from someone else who's done this before I make more work for myself

Read a few of the other posts here on the forum and answered my own question as to whether or not it was (it was, of course!) and was able to get it out with a flat head. Now my question is in other posts I've seen they have a tool to install the new axle seal, is there a poor man's way of doing this (or making one), or is this a reasonably priced tool that can be picked up?

EDIT: Also, what kinda grease can I use for IH 251 HEP?

A hammer and block of wood will work just fine. Just make sure you drive it in straight.