Machining irregularity on gears?

Serbonze

Serbonze

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I saved the 4.10 gears from my recent regear, since they were only used for about 10,000 miles. I thought that maybe someone looking to regear could use a good deal. However, I finally took a look at them and I noticed this line on the Dana 44 ring gear.

It’s not a contact point, so I’m thinking a machining irregularity? I don’t want to put these out there if there is a defect in them.

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Serbonze said:
I saved the 4.10 gears from my recent regear, since they were only used for about 10,000 miles. I thought that maybe someone looking to regear could use a good deal. However, I finally took a look at them and I noticed this line on the Dana 44 ring gear.

It’s not a contact point, so I’m thinking a machining irregularity? I don’t want to put these out there if there is a defect in them.

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When offering used gears for sale understand that they will be a lot harder to set up properly than new gears are. Many shops that regear will charge more to install used gears for that reason. The reason being is they were work hardened how they were set up and it'd be very hard to get them set up exactly the same way again.
 
Not that I was looking to install new or used gears but it popped up on my youtube. I know this is a forum member, just don't remember the user name.

 
mrblaine said:
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Yep.

One thing I would suggest for those wanting to either reuse or sell used gears is the take a backlash measurement and run pattern on the gears before removing them. This will make things easier for the next person to set them up.
 
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