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  #1  
Old 04-01-2018, 10:41 PM
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Does anyone know if a W123 240D 4 speed manual is the same as a W123 280E?

All, as the subject says? I have a bearing noise in 1st gear and am wondering if the W123 230D trans is a suitable swap.

Thanks
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Al

Check out the W114, W115 enthusiast website.
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  #2  
Old 04-02-2018, 09:14 AM
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Iron case, or aluminum case?
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Old 04-02-2018, 09:58 AM
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Good question, one is a 77 (D) the other is an 80 (G).
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With best regards

Al

Check out the W114, W115 enthusiast website.
http://www.stroke8.org

http://www.w108.org

Join the Mercedes W108 group
http://autos.groups.yahoo.com/group/mercedesw108/

My 280SL restoration

http://www.w108.org/gallery/albums/a...0959.thumb.jpg
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  #4  
Old 04-02-2018, 11:24 AM
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I believe that the flange for all the diesels and 6 cylinders from the mid 60ís to 1985 are the same. So I believe you could bolt the transmission on, but the gear ratios are likely different for 1st, 2nd and 3rd.
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Past mb: '73 450sl, '81 280slc stick, '71 250, '72 250c, '70 250c, '79 280sl, '73 450sl, parted: '75 240d stick, '69 280s, '73 450slc, '72 450sl,
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  #5  
Old 04-02-2018, 01:44 PM
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Quote:
Originally Posted by alabbasi View Post
Good question, one is a 77 (D) the other is an 80 (G).
If the '77 240D trans is the donor, then it is a bolt-up to the engine. If it is replacing an aluminum case box then the shift linkage from the '77 will need to be used also. The cross-member & mount from the '77 may be required. Driveshaft length should be the same.
The internal ratios are close enough that the differences will not be felt.
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