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Thread: Half Track transmission front drive shaft seal and spacer

  1. #1
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    Default Half Track transmission front drive shaft seal and spacer

    I am needing to replace the transmission front drive shaft seal on my M3 Half Track. The seal that is in it has AT 1805X128 stamped on it. It is a leather seal, so I assume it is a Chicago Rawhide seal, for which I can not find any info on. i found postings on halftrackinfo.com that says a National 410316 will work based on dimension in the manual, but has not been verified. The site also listed SKF 22446 as the seal. Anyone know which seal to use?
    Also, there appears to be some sort of fiber spacer that is behind the seal, which parts of which have been chipped off. Anyone know where to get one of these or what can be used as a substitute?
    Jim G
    1943 M3A1 Halftrack
    1971 M35A2
    AN/GRC-142 Radio Teletype (almost functional)
    PU-620 Gen Set
    MEP-005A & 003A
    M920 w/M870 trailer
    M52A1 w/M127 trailer
    M816 Wrecker
    1987 M998
    1968 M715

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  3. #2
    Moderator WillWagner's Avatar
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    Default

    Per SKF interchange, 410316 is not the same as 22446,

    http://www2.chicago-rawhide.com/popu...kup_457012.htm

    22446 results,

    http://www2.chicago-rawhide.com/popu...kup_457012.htm


    Nice, if you go th the website above and type in either number, they do not match up.
    ASMH Volunteer

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  5. #3
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    I got around to cleaning up the flange that the seal goes in. What I thought was a fiber washer was actually the part of the flange that the seal seats up against, not a fiber washer. The porous looking edges where the breaks were threw me off.
    Jim G
    1943 M3A1 Halftrack
    1971 M35A2
    AN/GRC-142 Radio Teletype (almost functional)
    PU-620 Gen Set
    MEP-005A & 003A
    M920 w/M870 trailer
    M52A1 w/M127 trailer
    M816 Wrecker
    1987 M998
    1968 M715

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    USAFSS-ColdWarrior (03-14-2019)

  7. #4
    Colonel battlecr's Avatar
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    Check with Kevin Lockwood, he has bearings and seals for the halftrack

    Don G
    1942 Diamond T M3 halftrack (under restoration)

    1943 White M2A1 Halftrack (parts veh, loggers had it)

    1951 M135 Fire truck conversion

    1967 M36A2 deuce.

    Adams Model 84 pull grader Military surplus

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    jamboly (03-19-2019), USAFSS-ColdWarrior (03-19-2019)

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