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Gearbox identification casting 12G1128
https://www.ausmini.com/forums/viewtopic.php?f=2&t=92998		 Page 1 of 2
Author:  71morris [ Tue Jun 28, 2016 4:56 pm ]
Post subject:  Gearbox identification casting 12G1128
Hi all,
could you please identify what remote gearbox this is
is it 3spd syncrho or 4spd synchro,
it is 12G1128?
not 22G1128
Author:  71morris [ Tue Jun 28, 2016 6:02 pm ]
Post subject:  Re: Gearbox identification casting 12G1128
Is their a list of all gearbox casting numbers for the
morris mini remote gearbox
Author:  drmini in aust [ Tue Jun 28, 2016 6:27 pm ]
Post subject:  Re: Gearbox identification casting 12G1128
71morris wrote:
Is their a list of all gearbox casting numbers for the
morris mini remote gearbox

Yes there is one in Mini Car Clinic/ Mini King catalog I will post details shortly.

[edit]
These are all remote type:
3 synchro-
22G68- also used on magic wand
22G190
22G333
22A1228
22A1522

4 synchro- these 2 boxes are functionally identical. Used on both remote and puddin' stirrer shifts.
22G1128- most common one here
22G846
Author:  gtogreen1969 [ Tue Jun 28, 2016 7:27 pm ]
Post subject:  Re: Gearbox identification casting 12G1128
Had a quick look around and couldn't find the 12G1128.
Here are the lists I usually go off
http://mk1-performance-conversions.co.uk/gearboxes.pdf
viewtopic.php?f=25&t=86659
http://www.7ent.com/pages/transmission-id-pg-49.html
Author:  71morris [ Tue Jun 28, 2016 8:14 pm ]
Post subject:  Re: Gearbox identification casting 12G1128
I believe the gearbox is from the UK united kingdom(England)

I need to verify if it is
998
0r 4 synchro 1275

I will see if I can get an answer from the person and I
will let you know
Author:  gtogreen1969 [ Tue Jun 28, 2016 8:16 pm ]
Post subject:  Re: Gearbox identification casting 12G1128
Have you seen the casting number yourself or was it relayed to you by another person?
Author:  71morris [ Tue Jun 28, 2016 8:23 pm ]
Post subject:  Re: Gearbox identification casting 12G1128
photos are blurry
and it is what they have stated.

I have sent another message to the person
will find out
Author:  drmini in aust [ Tue Jun 28, 2016 9:19 pm ]
Post subject:  Re: Gearbox identification casting 12G1128
All these gearbox casings came from UK they were not cast here.
However some gearsets were made here by Borg Warner.
Author:  Goldbrocade_62 [ Tue Jun 28, 2016 9:49 pm ]
Post subject:  Re: Gearbox identification casting 12G1128
Has it got a gear set in it? if has laygear number would identify it
Author:  sitnlo62 [ Wed Jun 29, 2016 8:15 am ]
Post subject:  Re: Gearbox identification casting 12G1128
It is very easy to identify a 4 speed syncro case from a 3 speed syncro case, Numbers are not required to do this.

On a 3 Speed syncro Case the area of the case Directly above the sump plug is FLAT.
On a 4 Speed syncro Case the area of the case Directly above the sump plug has a very obvious RAISED section in the casting.(A LUMP)
There are no exceptions.

Hope this helps someone............
Dave
Author:  71morris [ Wed Jun 29, 2016 11:40 am ]
Post subject:  Re: Gearbox identification casting 12G1128
drmini in aust wrote
Quote:
All these gearbox casings came from UK they were not cast here.
However some gearsets were made here by Borg Warner.


Is there a list for UK casting numbers?
there is no gearset inside
Author:  timmy201 [ Wed Jun 29, 2016 11:51 am ]
Post subject:  Re: Gearbox identification casting 12G1128
71morris wrote:
drmini in aust wrote
Quote:
All these gearbox casings came from UK they were not cast here.
However some gearsets were made here by Borg Warner.


Is there a list for UK casting numbers?
there is no gearset inside

U.K. Numbers are above:
gtogreen1969 wrote:
Had a quick look around and couldn't find the 12G1128.
Here are the lists I usually go off
http://mk1-performance-conversions.co.uk/gearboxes.pdf
viewtopic.php?f=25&t=86659
Author:  71morris [ Wed Jun 29, 2016 11:51 am ]
Post subject:  Re: Gearbox identification casting 12G1128
sitnlo62 wrote:
Quote:
It is very easy to identify a 4 speed syncro case from a 3 speed syncro case, Numbers are not required to do this.

On a 3 Speed syncro Case the area of the case Directly above the sump plug is FLAT.
On a 4 Speed syncro Case the area of the case Directly above the sump plug has a very obvious RAISED section in the casting.(A LUMP)
There are no exceptions.


Do you have photographs explaining the difference?
Author:  Stibbsy [ Wed Jun 29, 2016 12:15 pm ]
Post subject:  Re: Gearbox identification casting 12G1128
Looking at logically. If there is no 12G on the listing, only 22G, a then it appears to be pommie Mk2 4 speed depending on the lay gear.
Author:  gtogreen1969 [ Wed Jun 29, 2016 2:40 pm ]
Post subject:  Re: Gearbox identification casting 12G1128
71morris wrote:
sitnlo62 wrote:
Quote:
It is very easy to identify a 4 speed syncro case from a 3 speed syncro case, Numbers are not required to do this.

On a 3 Speed syncro Case the area of the case Directly above the sump plug is FLAT.
On a 4 Speed syncro Case the area of the case Directly above the sump plug has a very obvious RAISED section in the casting.(A LUMP)
There are no exceptions.


Do you have photographs explaining the difference?


Here are 2 images I grabbed from the net.


Flat
Image



Hump
Image
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