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  #1  
Old 09-03-2017, 09:14 PM
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manual trans conv

W123 manual transmissions;

There appear to be two types, early/late, one piece and two piece, iron/aluminum?

Any functional difference between them? Preference?

Will a late (82) trans fit an early 240 (79)?

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  #2  
Old 09-03-2017, 09:36 PM
t walgamuth's Avatar
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Location: Lafayette Indiana
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Should be no difference functionally and will fit any model 123 body except late euro models with the 190e engine.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #3  
Old 09-04-2017, 01:22 PM
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The shift linkages are completely different though. The later 4-speed and then 5-speed was used in the 190's as well, but I don't know for how long, or with what engines.
Attached Thumbnails
manual trans conv-74-81.jpg   manual trans conv-82-84-190.jpg  
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1983 W123 300TD US spec Turbo engine, with Euro bumpers and manual climate control, and manual transmission.
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  #4  
Old 09-05-2017, 10:21 AM
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Location: Santa Fe, NM
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I have a complete car that came with a euro 240d it had a 616 and a 5 speed, it is for sale.....

As I understand going from auto to manual it is best to buy the whole car so you get the shifter, pedals, driveshaft, and trans cross-member. but I haven't done the swap myself.
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1983 240d 5Sp SOLD
1986 300D(LUCO) SOLD
1983 300TD(dreamboat)SOLD
1984 240d (Executive)SOLD
1984 240d (Euripides) SOLD
1982 300sd SOLD
1982 300sd (Ambas)SOLD
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  #5  
Old 09-05-2017, 10:39 AM
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How much for your 5 speed + needed parts to convert my auto to manual.
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  #6  
Old 11-30-2017, 11:02 AM
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the whole car is 2000 you get EVERYTHING!!!!! HAH, but seriously it is a complete car so all the linkage, transmission and crossmember ect ect...

Email me at rjz5400@hotmail.com
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1983 240d 5Sp SOLD
1986 300D(LUCO) SOLD
1983 300TD(dreamboat)SOLD
1984 240d (Executive)SOLD
1984 240d (Euripides) SOLD
1982 300sd SOLD
1982 300sd (Ambas)SOLD
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  #7  
Old 11-30-2017, 11:05 AM
t walgamuth's Avatar
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Location: Lafayette Indiana
Posts: 38,627
Is it a running driving car?
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #8  
Old 11-30-2017, 07:23 PM
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Location: Santa Fe, NM
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yes, not a daily but yes with a jump it runs really well and drives all over.

Well described in the FS forum
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1983 240d 5Sp SOLD
1986 300D(LUCO) SOLD
1983 300TD(dreamboat)SOLD
1984 240d (Executive)SOLD
1984 240d (Euripides) SOLD
1982 300sd SOLD
1982 300sd (Ambas)SOLD
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  #9  
Old 12-02-2017, 09:28 AM
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Quote:
Originally Posted by rjz5400 View Post
I have a complete car that came with a euro 240d it had a 616 and a 5 speed, it is for sale.....

As I understand going from auto to manual it is best to buy the whole car so you get the shifter, pedals, driveshaft, and trans cross-member. but I haven't done the swap myself.
Having done the swap in both a W123 and a W124 I totally agree. Having the donor car on hand makes the job very simple.
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  #10  
Old 12-02-2017, 10:05 AM
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Join Date: Sep 2012
Location: Wilmington, NC by the Atlantic ocean
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To address the original post:

The "early" trans with the cast iron case was made by Mercedes and is rumored to be a bit stronger than the later, aluminum case. The later trans was made by Getrag. I run the aluminum case trans in Mutt the Race Truck with no issues. I think the switch from iron to aluminum case was 1981 though I'm not positive on that - my trans was from an '83 240D.

I agree with getting the whole car for the swap bits. Even putting the trans into an S-10 pickup it was far easier to have the crossmember, shifter and linkage, etc. than to try to source all that stuff individually. I replaced the shift linkage bushings and it shifts as smooth as silk.

Bleeding the clutch hydraulics WILL be a PITA but I had success with bleeding it from the bottom to the top using a huge syringe (used for horses and cattle) that I got from our vet.

My build thread is one of many on here detailing the swap.

Dan

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