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PanzerSD 04-09-2012 11:48 PM
Transmission cases
 
Why is there a change in Case material from Cast iron to Aluminum/alloy?
Specifically the W116 transmissions, 73-5 cast iron to 76-80 Aluminum? Strength? weight? Economical influences? Which is better?

just silly don't know, so I should ask type stuff...

Stretch 04-10-2012 03:31 AM
My vote would be weight - but I don't really know for sure.

wbain5280 04-11-2012 01:52 PM
I thought they were always aluminum.

Stretch 04-11-2012 02:11 PM
Quote:
Originally Posted by wbain5280 (Post 2918773)
I thought they were always aluminum.
Not the manual transmissions. The older 'boxes had a cast iron centre bit.

Govert 04-11-2012 05:23 PM
The manual gearboxes were procured from different manufacturers. From what I understand the switch to Getrag gearboxes was done for cost reasons.


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