syncro vs non-syncro transmissions

[Ron & Linda Jones]

I’ve come into possession of a, I think, SIII trans. I’m trying to figure out, without opening it up, if it’s a syncro or non-syncro trans. Are there any external details which will indicate which it is?

[Michael Hartman and Donna Bissey]

Do you have the shifter attached? If you do, the synchro transmissions have reverse all the way to the right and down. Non-synchro has reverse on the left side.

Synchro pattern:
http://wp.mhartman.net/wp-content/uploads/20150608-002-gear-shift-knob.jpg

You should also find a date code on the side of the gearbox. The date can help identify which series the gearbox was for.

Mike

[Ron & Linda Jones]

Cool, thanks Mike. Yes, a shifter is still attached, that helps. I appreciate the reply.

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