Recent content by newyota

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    YARDMAN EARTHBIRD 4HP TILLER 1970 model 5020-1

    Found a old thread dating back to 2013 here and ending in 2016.Oil seal numbers listed for National Seals.472311 for tines..254270 for back pulley shaft seal.Wish I dig deeper here but,o well..guy says it is the same tiller as an IH 526.
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    YARDMAN EARTHBIRD 4HP TILLER 1970 model 5020-1

    outer rubber on seal ruined so no numbers and trying to get exact OD was difficult due to shaft still in and getting calipers in there..Guy at vendor concurred with me on the 1.42 or 1.4387 size.thanks
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    YARDMAN EARTHBIRD 4HP TILLER 1970 model 5020-1

    Just wondering how you got the 1.38 size..When I measured for the O.D I got 1.42 roughly before buying the 1.437.
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    YARDMAN EARTHBIRD 4HP TILLER 1970 model 5020-1

    That is the tine axle seal that I had just replaced and I bought a 1x1.437 single cause that’s all I could get locally. Need #45 from what I see For rear seal.
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    YARDMAN EARTHBIRD 4HP TILLER 1970 model 5020-1

    I googled the name and model # and that’s how I found a owners manual with a parts diagram.
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    YARDMAN EARTHBIRD 4HP TILLER 1970 model 5020-1

    Been trying to revive this old tiller.Got the engine going then the gear box right tine axle seal leaked.Alittle struggle to figure out o.d. size of seal.Now go look for anymore leaks and two days later the rear drive seal for pulleys is leaking.Found old parts manual on line but the numbers are...
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