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Aussie 3spd/4spd date codes and serial numbers.
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quote:
Originally posted by gmholdman
Hi all, I worked at F/Bend in the 70s-80s-90s and can assure you 4 speed gear boxes were manufactured and assembled there and transported by road interstate.
Where were the gears themselves made, was that Fishermans bend also ? Dr Terry |
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Dr, yes, gears were made in house and then assembled to boxes, trimatic gears were also made but shipped to Woodville for assembly. Diff sets were also made and assembled in F/Bend as well as head bolts etc. All heat treat was done in house also.
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Well there you go, I always believed that the Tri-Matics, Aussie 3/4-speeds & diffs were made at Woodville as they were in the early days.
You learn something new every day.
Dr Terry |
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Here we have a M20 I removed form a late 70's early 80's gemini or it could be a commodore? it was ten years ago, I can not find a cast date anywhere in the housing? the shifter linkages are plastic, the photos show the only cast No's, the serial is T892681   I also have a one owner HQ V8 wagon 3 speed I shall get the no's off soon & a M21 in the shed out of a tonner... you might also like to see if you can contact the overseas holden groups (thailand/indonesia) to see if they can help out, it would be interesting to see if the exports got the serials here or if at all? (you've opened a very big can of worms lol).... |
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quote:
Originally posted by Monaro202
Here we have a M20 I removed form a late 70's early 80's gemini or it could be a commodore? it was ten years ago, I can not find a cast date anywhere in the housing?
you might also like to see if you can contact the overseas holden groups (thailand/indonesia) to see if they can help out, it would be interesting to see if the exports got the serials here or if at all? (you've opened a very big can of worms lol)....
The M20 used in a Gemini was an Isuzu box not an Aussie box. That box pictured will probably be out of a Commodore. Any export Holden engines or transmissions with have the same numbering as I believe they are stamped at the gearbox plant & this is one place for all Holden plants in Australia or overseas. Dr Terry |
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quote:
Originally posted by Dr Terry
quote:
Originally posted by Monaro202
Here we have a M20 I removed form a late 70's early 80's gemini or it could be a commodore? it was ten years ago, I can not find a cast date anywhere in the housing?
you might also like to see if you can contact the overseas holden groups (thailand/indonesia) to see if they can help out, it would be interesting to see if the exports got the serials here or if at all? (you've opened a very big can of worms lol)....
The M20 used in a Gemini was an Isuzu box not an Aussie box. That box pictured will probably be out of a Commodore.
Any export Holden engines or transmissions with have the same numbering as I believe they are stamped at the gearbox plant & this is one place for all Holden plants in Australia or overseas.
Dr Terry
Thanks DR Terry, I wasn't 100% about the boxes origin as I removed a box from a gemini (for my brother) & I think either a VH or VK on the same day as getting that one as they were $50 each. as for the export units, it makes sense about the numbering being done here, but as with the KDK units sent to South Africa were the boxes assembled here or there, or were local units used, so no serial No, just curious? Kevin... |
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quote:
Originally posted by Monaro202
as for the export units, it makes sense about the numbering being done here, but as with the KDK units sent to South Africa were the boxes assembled here or there, or were local units used, so no serial No, just curious?
Kevin...
Hi Kevin. A lot of Sth African Holden/Chev production used US 3/4-sp Saginaw & Muncie manuals & US Auto trans, Only the Aust produced gearboxes would have Aussie numbering. Dr Terry |
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quote:
Originally posted by Squeak327
hq ss,
doing some tidying up and recalled your request for gearbox nos.
I have a V8 M20 out of a Commodore
Serial No is T957627
Unfortunately, the date code casting is very poor and the day and month nos/letter are illegible but if I had to put money on it, I reckon the digit for the year is probably a 2 (1982).
The no on the side plate is 9938391
Stenciled on the case in yellow paint are the letters ZD
The other one is a 3 speed all syncro - I was told out of a HK. It is the smooth case version.
Serial no. is interesting given it is only 4 digits and the 'T' is in a different font:
Date Code is interesting too as it is not in 'code' :
Until I saw this, I had always thought cast dates on Holden components were coded.
The no. on the side plate is 7433771.
Thanks heaps for these details and pictures. That 3 spd is the lowest set of details I have seen so far. The next one I have on record from that is G49 and it is T58929. It makes me wonder if the date code is G368 on yours. Even so it sure does say 68 at the end of the code which I have never seen before. Thanks again Paul.
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gmholdman thanks a lot to you too thet is great information to finally have.
The gears also seem to be date coded or at least batch coded so to find out that they were
all made at the same place should help sort out just what there codes do mean.
Hi Kevin.
Thanks for that.
I have another no 8 mold T number of T894267 and that does not have a date code on it either.
It makes me wonder if the mold was damaged and repaired without the date code section.
Anyway T892681 I can place as being around the November 1979 time frame so around the VB UC era.
Any other details will be greatly appreciated.
Cheers Paul
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No problem Paul - happy to help. I had another look at the 3 speed, cleaned it up a bit more and took another photo for you. I have captured the full length of the raised 'Pad' on which the date appears and I am sure it reads 16.3.68 
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quote:
Originally posted by gmholdman
Dr, yes, gears were made in house and then assembled to boxes, trimatic gears were also made but shipped to Woodville for assembly. Diff sets were also made and assembled in F/Bend as well as head bolts etc. All heat treat was done in house also.
Greetings, That is how I have understood it as well. GMH are confusing at times with words they use. Manufactured, assembled, built all come to mind. The Trimatic was assembled/built at Woodville but the parts were manufactured at the Bend. The Bend is where the engines and manual gearboxes were manufactured and assembled/built. |
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quote:
Originally posted by Squeak327
No problem Paul - happy to help.
I had another look at the 3 speed, cleaned it up a bit more and took another photo for you. I have captured the full length of the raised 'Pad' on which the date appears and I am sure it reads 16.3.68
I agree with you on this one it sure does read as 16 3 68. As I said before I have never seen a date code like that before. I will be very interested to see if any others from this time frame turn up the same. So it looks like they were playing with the aussie boxs way earlier than I thought they were. Thanks again Paul.
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Ok I have some new information as to when these boxs came out.
Quote
These gearboxes would have been produced from sometime in the third quarter of 1967
in the lead up to HK release in early 1968.
So this would have been from a HK series car by the looks of it.
Cheers Paul.
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Squeak 327. That date code cast on the box that looks a bit like 6 8 8 6 which if it is is not the correct format. Is there a possibility that the last raised area to the far right of the cast mark is the slotted screw that you will find on almost all cast date codes. If it is the slotted screw then the digit next to it may be an 8 indicating a 1968. The other, in the middle, which normally would be a letter....Jack
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Did HK's actually have the all synchro box fitted? I was under the impression that at best only very late HK's had the all syncro box but early ones had to make do with the HR type crash box.
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quote:
Originally posted by Jim5.0
Did HK's actually have the all synchro box fitted? I was under the impression that at best only very late HK's had the all syncro box but early ones had to make do with the HR type crash box.
Yes Jim, HK had the all-synchro 3-sp as an option from day 1. I remember them well back in early 1968. I think maybe early on, buyers either didn't know about there availability or how much better they were, because they don't appear to be very commonplace in early HK. By the end of HK series they were very common, perhaps because Holden had run out of crash boxes in readiness for the HT series, or buyers had finally realised how much better they were for only a few extra $$$. Dr Terry |
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Paul, e-mail sent, can you reply with I.Ds AL.
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quote:
Originally posted by blameyone
Squeak 327. That date code cast on the box that looks a bit like 6 8 8 6 which if it is is not the correct format. Is there a possibility that the last raised area to the far right of the cast mark is the slotted screw that you will find on almost all cast date codes. If it is the slotted screw then the digit next to it may be an 8 indicating a 1968. The other, in the middle, which normally would be a letter....Jack
Hi Jack. I suspected something along these lines as well but so far no box date codes that I have seen look to have the screw head which is so obvious on a lot of other date codes. Also now I have had a chance to look through my pictures I have spotted this picture from ebay.  not the best view of the date code but it does look to be the same as the other one. Cheers Paul.
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quote:
Originally posted by gmholdman
Paul, e-mail sent, can you reply with I.Ds AL.
Hi AL. Email received and reply sent. Cheers Paul.
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Paul, serial numbers as requested, the M20 7433741, M21 9933391. These boxes are like brand new and will probably be sold to serious buyers ANY SERIOUS OFFERS??? AL. Edited by user Saturday, 2 June 2012 2:14:42 AM(UTC)
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