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post #16 of 49 Old 12-12-2018, 08:45 PM
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Re: 332 modifications (help)

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This is all very helpful. would people recommend splitting the case though? or wait until its actually trouble
Is this differential still in that 420? Look to see if it is leaking. Some may be fine with the gasket sweating a bit or dripping after use. Myself, I don't like any oil leaks on my floor.
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post #17 of 49 Old 12-12-2018, 09:51 PM Thread Starter
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Re: 332 modifications (help)

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Is this differential still in that 420? Look to see if it is leaking. Some may be fine with the gasket sweating a bit or dripping after use. Myself, I don't like any oil leaks on my floor.


The transmission is already out not sure if there is a way to see if it will leak besides installing it and putting in fluid
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post #18 of 49 Old 12-14-2018, 08:59 AM Thread Starter
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Re: 332 modifications (help)

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The case does not need to be split to change the hi/lo or 2 speed rod seals.

When splitting the case care must be taken. When the case is laid down and the side lifted off, the locking rod will make the differential gear and bearings will stay on that side of the case. After the sealing surface is cleaned and new gasket laid down, (I used anaerobic sealant), the small side of the case must be lowered down while holding the differential in place. Pretty easy. There is only 1 way things can go together.
Tracs how did you change the hi low and dif lock seal without splitting the case?
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post #19 of 49 Old 12-15-2018, 07:25 PM
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Re: 332 modifications (help)

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Tracs how did you change the hi low and dif lock seal without splitting the case?
If I have a seal that is hard to get at I like to put a small sheet metal screw into it and then use a screwdriver and pry/pop the seal up.

For the 2 speed/hi low seals I would screw a screw into the seal marked with a star and pry it out, then clean the shaft up, slide a new seal down and use a long socket or small piece of pipe to tap the seal into place.
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post #20 of 49 Old 12-15-2018, 07:27 PM
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Re: 332 modifications (help)

Also I always use local part store seals/bearings rather than JD. I find JD seals/bearings to be 2-3x the price of the part store. Sometimes it takes some serious cross referencing, but it can be done.
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post #21 of 49 Old 12-15-2018, 07:55 PM Thread Starter
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Re: 332 modifications (help)

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If I have a seal that is hard to get at I like to put a small sheet metal screw into it and then use a screwdriver and pry/pop the seal up.

For the 2 speed/hi low seals I would screw a screw into the seal marked with a star and pry it out, then clean the shaft up, slide a new seal down and use a long socket or small piece of pipe to tap the seal into place.
How did you take out the pins to be able to screw a screw into the seal or am I miss-understanding?
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post #22 of 49 Old 12-15-2018, 07:58 PM
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Re: 332 modifications (help)

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How did you take out the pins to be able to screw a screw into the seal or am I miss-understanding?
The 2 speed/hi low rods attach to levers on the shafts. You remove the pins and take off the levers leaving just the shaft stubs.
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post #23 of 49 Old 12-15-2018, 08:00 PM Thread Starter
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Re: 332 modifications (help)

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The 2 speed/hi low rods attach to levers on the shafts. You remove the pins and take off the levers leaving just the shaft stubs.
Right so you can take out the seals with the shaft stubs still in the way?
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post #24 of 49 Old 12-15-2018, 10:18 PM
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Re: 332 modifications (help)

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Right so you can take out the seals with the shaft stubs still in the way?
yes
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post #25 of 49 Old 03-19-2019, 04:45 PM Thread Starter
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Re: 332 modifications (help)

Ok so its around a month away from doing this switch and i want to get to ordering my gaskets and seals. Im extremely paranoid about this because i want it to go smoothly. could someone verify i have all the right part numbers. Remembering its for a 420 transmission now.

Pump O-ring U44496
axle seals M48934
linkage seals M48949
transmission oil filter AM39653

case gasket M94095 (if its cheap i might have it on hand) dont plan on swapping it unless its leaking.
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post #26 of 49 Old 03-19-2019, 06:26 PM
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Re: 332 modifications (help)

All your P/N look good, but the seals are listed a NLA
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post #27 of 49 Old 03-19-2019, 06:27 PM Thread Starter
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Re: 332 modifications (help)

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All your P/N look good, but the seals are listed a NLA
Im gonna guess that NLA means not locally available?....
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post #28 of 49 Old 03-19-2019, 08:09 PM
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Re: 332 modifications (help)

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Im gonna guess that NLA means not locally available?....
Means no longer available.

BUT.......

I just looked on JD Parts on my account page. It shows no problem getting the Axle seals. Pricey at $38 CAD each.

I used SKS seals. Axle seals are a SKS CR11372 - They were a few bucks.
Shaft Diameter 1.125 IN
Seal Outside Diameter 2.129 IN
Width 0.437 IN
Spring Type GARTER
Number of Lips DUAL
Seal Material NITRILE


I had SKS part numbers for the linkage seals but have since lost them, I think..

BUT.......

The linkage seals are just: 1"x.250" with .5" shaft opening. Something a parts house would have in stock for a few bucks too.

Shaft Diameter 0.500 IN
Seal Outside Diameter 1.003 IN
Width 0.250 IN
Spring Type GARTER
Number of Lips SINGLE

Last edited by Tracs; 03-19-2019 at 08:23 PM.
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post #29 of 49 Old 03-19-2019, 09:24 PM Thread Starter
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Re: 332 modifications (help)

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Originally Posted by Zebra5 View Post
All your P/N look good, but the seals are listed a NLA
Quote:
Originally Posted by Tracs View Post
Means no longer available.

BUT.......

I just looked on JD Parts on my account page. It shows no problem getting the Axle seals. Pricey at $38 CAD each.

I used SKS seals. Axle seals are a SKS CR11372 - They were a few bucks.
Shaft Diameter 1.125 IN
Seal Outside Diameter 2.129 IN
Width 0.437 IN
Spring Type GARTER
Number of Lips DUAL
Seal Material NITRILE


I had SKS part numbers for the linkage seals but have since lost them, I think..

BUT.......

The linkage seals are just: 1"x.250" with .5" shaft opening. Something a parts house would have in stock for a few bucks too.

Shaft Diameter 0.500 IN
Seal Outside Diameter 1.003 IN
Width 0.250 IN
Spring Type GARTERi
Number of Lips SINGLE

Which seals you talking about? Iíve found all on gps.. Iíll call John Deere tomorrow...
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post #30 of 49 Old 03-19-2019, 09:29 PM
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Re: 332 modifications (help)

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Which seals you talking about? Iíve found all on gps.. Iíll call John Deere tomorrow...
Then good.
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