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  #1  
Old 02-24-2011, 01:47 PM
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Question 1985 300SD and 1987 300SDL rear differential

The gear ratio is the same at 2.88. Are they the same and interchangeable?

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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

1 X 2006 CDI
1 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.
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Old 02-26-2011, 03:04 AM
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anyone?
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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

1 X 2006 CDI
1 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.
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  #3  
Old 02-26-2011, 03:09 AM
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I would say they are if they bolt up. not 100% on this though.
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hum.....
1987 300TD 311,000M Stolen. Presumed destroyed
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Old 02-26-2011, 09:57 AM
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its different the 85 SD has the axle shafts going into the diff and you need to take the diff cover off to get the lock clips out to pull the axles (thats how it was of my 85 SD). The 87 SDL has flanges on the diff and the axles bolt up to the flanges on the diff side. If I recall the mounting points are different as well but don't quote me on that.
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89 560SEC
90 350SDL (Rudolph)
91 350SDL (300SDL drivetrain)
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Old 02-26-2011, 11:00 AM
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W126 81 to 85 first generation, and 86 to 91 are second generation.

First gen rear suspention is the same as the W123 rear suspention.

The second gen W126 is a different mounting on the differential.

The flanges mentioned might be the bolted on weights, but I suspect the second gen uus the Annular and or Homokenic type axles.

Bottom line is, the second gen will not directly bolt onto the first generation W126.

Charlie

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there were three HP ratings on the OM616...

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Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

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