glhx
Well-Known Member
looking for the ring gear assembly that fits a 4/4 904. 76 was the first year they had this set up.
The gear is 4.5 as opposed to the later 5”.
The difference in the earlier ones and this one are the teeth on this one are taller to account for the extra disc.
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You can see here the difference. The earlier ones even have the same part number, but won’t work.
the one I broke has a lip on it as compared to the earlier on that doesn’t.
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Otherwise they are identical. The 67 on the left would work fine if the teeth were just 1/16” taller to account for that extra disc.
Need the one with the taller teeth.
The gear is 4.5 as opposed to the later 5”.
The difference in the earlier ones and this one are the teeth on this one are taller to account for the extra disc.
You can see here the difference. The earlier ones even have the same part number, but won’t work.
the one I broke has a lip on it as compared to the earlier on that doesn’t.
Otherwise they are identical. The 67 on the left would work fine if the teeth were just 1/16” taller to account for that extra disc.
Need the one with the taller teeth.
