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It keeps the spider gears spread apart , to mesh to the Differential output shaft gears ( 2) , one on each side of of the spider gear set , inside the Differential Housing .

What I was trying to find was a Modification to a Traxxas Rustler / Nitro Sport Diff ,

that you took a longer pin and cut it just a small bit longer , which in turn , is suppose

to force the spider gear teeth ( further ) into the Diff output shaft , gear teeth , for better tooth contact area , hence .... less gear tooth breakage .....maybe last longer also.

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โˆ™ 2008-04-05 19:09:34
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Q: What is the funchion of a spider gear pin in a differential?
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