ID series gear box

[Mally T]

Hi, can someone tell me how to tell the difference between a S1 gear box and a S2A gear box please.
Is there much difference in the gear ratio's ?
Mal

 

[tottot]

Are you ready for this? We are talking standard transmission units here.
There were changes to series one box's during production and there were changes to series 2a ones as well.
Times the transmission remained the same were from Series one 86 models [1954] up to series 2a models until about the end of 1966.
I once had an early series 2 88 that had a series one box, only outside difference I remember was it had a dip stick on the side.
If asking for Lightweight 2a in your avatar then likely it has the 67-71 box that has different ratios.

 

[Mally T]

Are you ready for this? We are talking standard transmission units here.
There were changes to series one box's during production and there were changes to series 2a ones as well.
Times the transmission remained the same were from Series one 86 models [1954] up to series 2a models until about the end of 1966.
I once had an early series 2 88 that had a series one box, only outside difference I remember was it had a dip stick on the side.
If asking for Lightweight 2a in your avatar then likely it has the 67-71 box that has different ratios.

Thanks for the info, i am asking because i have a spare gear box and cant remember where it came from or what its off.
The serial number is 23600762 A if that helps
Mal