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What are the differences between the 336 gearboxes? 336-33

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yellow16TS:
Hi everyone, after some searching online and searching through my workshop manual and Renault 16 engine workshop manual, I cannot find the answer to my question.

My S2 has the original 336-26 4 speed fitted.

I went to a self serve wrecking yard and removed a 336 gearbox (transaxle) from a Renault 16 car. I just want it as a spare because it was cheap + they are getting harder to find in Australia. I thought I could use it for parts if I end up requiring them later down the track when my Europa is on the road.

Since it is from a Renault 16 there are some obvious visual differences. (I was aware of this.) Bellhousing, clutch fork opposite side, end housing different, shift linkage totally different.

What I want to know is: what is a 336-33 gearbox? That is what this one is.

What does the -33 designate? All I can find from my Renault manual is that it means it is from a RH drive vehicle and "poor road type vehicles and special equipment" What does this mean exactly?

See attached picture from the Renault manual I have.

There seems to be a variety of models of 336. 20,21,22,23,24,25,26,30,31,32,33,34,35,36,37.

I am curious to know what these numbers mean.

cheers,

Bodzer:
I wonder if it is strengthened in key areas to take tougher road conditions or longer periods between overhaul?

GavinT:
That's probably more information on the different types than I've ever seen.

Note that the R16 transaxle turns the wrong way for a Europa though other parts could be useful as spares.

yellow16TS:

--- Quote from: GavinT on Tuesday,December 08, 2020, 05:39:16 AM ---That's probably more information on the different types than I've ever seen.

Note that the R16 transaxle turns the wrong way for a Europa though other parts could be useful as spares.

--- End quote ---

Yep, understood.

As Bodzer said as well, I wonder if there is a difference in strength?

Or ratios? Maybe the gear ratios for the "poor road conditions" are taller?

jbcollier:
Probably lower for more low speed work.

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