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om603 into 300d w123 - Printable Version

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om603 into 300d w123 - anths - 04-19-2014

Hello,
Im trying to find information on what need's to be modified to fit a om603 3ltr 6 into a w123 body to replace the old om617 and transmission
will I be able retain original drive shaft, ect ect

Any help in would greatly be appreciated

I have seen pictures of om606 into w123 but no information on om603 mounts

many thanks anthony


RE: om603 into 300d w123 - EmJay - 04-19-2014

What transmission are you wanting, a 722.4 or a 5spd?


RE: om603 into 300d w123 - anths - 04-19-2014

(04-19-2014, 05:34 PM)EmJay What transmission are you wanting, a 722.4 or a 5spd?

Transmission is a 722.358 automatic i was hoping i could use the original drive shaft

cheers anthony


RE: om603 into 300d w123 - sassparilla_kid - 04-21-2014

I think ksteen or somebody did this with not too much modification

http://www.superturbodiesel.com/std/Thread-Ksteen-s-W123-daily-driver


RE: om603 into 300d w123 - Tito - 04-22-2014

I did it once. You could fit the box to the original automatic driveshaft, but the engine sits very far to the front. Both 603 engine and w123 where already an automatic. You'll need to drill 2 holes in the chassis for the gearbox support. I thought de w124 support fits on 2 bolts and you can easily drill the other holes. You'll also need to move the radiator to the right a few cm's for the steering pump to clear the radiator. The fan will not fit and needs to become electric. I did the motor mounts with spacers on the right side, and a homemade one on the left.

I would recommend shortening the driveshaft and move the engine further back.

And of course you got the standard problems, exhaust, wiring an so on.