Gearbox oil change

[FFMan]

Was just reading the thread about a notchy change and figured its about time I changed the oil int eh gear box to see if this improves matters. Is Castrol Dexron III the product of choice.

So i can buy it on the way home, does anyone how much I need.

Is it straightforward, is there a gearbox drain plug ?

thanks

[FFMan]

thanks - i do have the bible but its at home.

i have a large syringe which sounds perfect for the job. the t5 is the later box isn't it. i have a '94 griff with reverse left and up so i assume sd1 ?

[FFMan]

ok - so as recommended by the bible i'm looking for some smx-s for my sd1 gearbox and i find these 2 auctions on ebay

http://cgi.ebay.co.uk/CASTROL-SMX-S-1-Ltr-/2803755...

http://cgi.ebay.co.uk/Castrol-Oil-Synthetic-Transm...

there is a massive price difference and a different label shown, but are they the same product ?