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300GD / 300SD Transmission Output Shaft Nut Socket Size?

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WSMC511
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300GD / 300SD Transmission Output Shaft Nut Socket Size?

Post#1 » Wed Jun 30, 2010 8:39 am

Until I can afford to rebuild the G auto box I will be using an auto box from my 85 SD. Can someone please help me identify the nut or socket size for the following:

1985 300 SD Transmission
Image

1984 300GD Transmission
Image

Thanks,

Johnny

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inkblotz
Posts: 8203

Re: 300GD / 300SD Transmission Output Shaft Nut Socket Size?

Post#2 » Wed Jun 30, 2010 11:34 am

I believe it would be this one. Depending on your transmission: 126 589 02 09 00

Click the link and scroll down to the transmission section: http://www.samstagsales.com/mercedes.htm#transmission

Mark

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jmkoz
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Re: 300GD / 300SD Transmission Output Shaft Nut Socket Size?

Post#3 » Wed Jun 30, 2010 1:13 pm

The Output Shaft Nut on my 711.117 Manual Transmission is 30mm but as Mark suggests these could be different depending on the transmission used.

John

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Dai C
Posts: 786

Re: 300GD / 300SD Transmission Output Shaft Nut Socket Size?

Post#4 » Wed Jun 30, 2010 1:25 pm

I made a tool using a 12 point 3/4 drive Evercraft socket welded to an old 1 1/16 half inch drive Craftsman socket. That has the reach to do the job. Ugly but I needed the tool and couldn't wait for the real thing. Works fine. Napa carries the 3/4 sockets individually.

-Dai

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jtracy
Posts: 69

Re: 300GD / 300SD Transmission Output Shaft Nut Socket Size?

Post#5 » Wed Jun 30, 2010 7:38 pm

30mm 12 point socket.

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Dai C
Posts: 786

Re: 300GD / 300SD Transmission Output Shaft Nut Socket Size?

Post#6 » Wed Jun 30, 2010 9:01 pm

The problem is that it isn't just a 30mm 12 point socket. It requires a deep socket to clear the shaft. Finding a deep strong 30mm 12 point in this area is very difficult.

-Dai

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jtracy
Posts: 69

Re: 300GD / 300SD Transmission Output Shaft Nut Socket Size?

Post#7 » Thu Jul 01, 2010 5:35 am

yeah, i forgot deep well. it took me a whole day to track one down here in pittsburgh.

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WSMC511
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Re: 300GD / 300SD Transmission Output Shaft Nut Socket Size?

Post#8 » Thu Jul 01, 2010 8:25 am

Thanks for all of your imput. I appreciate it and this helps greatly.

Cheers,

blueg
Posts: 2318

Re: 300GD / 300SD Transmission Output Shaft Nut Socket Size?

Post#9 » Tue Sep 25, 2018 6:45 am

The deep 30mm 12point 1/2" drive socket is on the shelf, in Canada at Princess Auto and probably at it's cousin in USA--Harbour Freight.
Cheapo crap but how often are you gonna use it?

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vadimivanovich
Posts: 8643

Re: 300GD / 300SD Transmission Output Shaft Nut Socket Size?

Post#10 » Tue Sep 25, 2018 10:44 am

For $25 you can buy a whole set of deep 12-point 1/2" sockets at Horrible Fright with a lifetime warranty. I have yet to break one.
"The way you think is the way you live"

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