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 633a Family Oil Seals

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MightyRaze
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633a Family Oil Seals  Empty
PostSubject: 633a Family Oil Seals    633a Family Oil Seals  Icon_minitimeJanuary 9th 2024, 12:45 pm

[adm]Draft, IN WORK[/adm]
[mod]Last Update Jan 10, 2024 ~MightyRaze[/mod]
Living topic...  Updates made when needed.

Made this topic to help others in replacing oil seals in a 633 family of transaxles since most are no longer available.

Format will be
SEAL
Original Part#
Known compatible replacement
Found referenced unsure
Size for cross-reference


Input Oil Seal:
6270H
National 471466
NAPA 6903
0.25" wide x 1.124" OD x 0.625" Shaft Diameter

Brake Oil Seal:
6271H
National 470954
NAPA7440
0.25" Wide x 1.25" OD 0.75" Shaft Diameter


Axle Oil Seals:
7392R
7393R
 (newer is double lipped)
NAPA 9838; 9876
National 472311
0.25" Wide x 1.441" OD 1.0" Shaft Diameter


Hi/Lo Oil Seal:
6269H
532006269

SKF Part 4909
NAPA 4909
0.170" Wide x 0.688" OD x 0.50" Shaft Diameter


Older Roper 633a's found in Sears Suburban/Roper called for 5qts SAE30 NON-Detergent oil.
Newer AYP/Electrolux found in Craftsman GT's call For 4qts SAE30 NON-Detergent oil.

**I have read the reason for NON-Detergent was to save on the oil seals.  Especially on older tractors.  Detergent oil was found to break down the seals.


633a Family Oil Seals  Sig115PROJECTS:
     Marshal ........93 Craftsman GT6000      
     Red Bandit ...72 Wheel Horse Raider 12
     Dirty Rat........77 Sears Suburban
     Bowser..........01 Murray Widebody LT
     Other projects
Have a question? Ask me! Type in "@MightyRaze" in your post!
633a Family Oil Seals  Sig214633a Family Oil Seals  Sig314

TheBeal, Brianator, ranch king pro 08 and Ifitaintbroke like this post

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