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how do I ID an MG transmission?

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YankeeTR

YankeeTR

Luke Skywalker
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I bought a small lot of Triumph transmissions and parts and found one MG transmission in with the rest of the parts.

How can I tell what model this transmission this is? It has a sidecover and is a non-OD unit. It looks like it uses an hydraulic clutch set-up if that helps.

I'll post a picture tomorrow. Any help would be appreciated.
 
Photo would help - only 2 kinds: early 3-syncro & late 4-scncro...& differences in late 4-syncro is limited to filler.
 
tony barnhill said:
Photo would help - only 2 kinds: early 3-syncro & late 4-scncro...& differences in late 4-syncro is limited to filler.
Click to expand...
This seems to have a filler hole on the top right side...

.625 pilot bearing diameter on the input shaft...
 
Is the side cover a rectangular shape or a trapezoidal with the fore and aft sides angled toward one-another?
 
DrEntropy said:
Is the side cover a rectangular shape or a trapezoidal with the fore and aft sides angled toward one-another?
Click to expand...
Trapezoid, I believe.
 
That would make it a 3-synchro early one.
 
MGA and early MGB?
MGAMGBtrans.jpg

mgamgbtransinputshaft.jpg
 
That is an early MGA trans with sliding spline drive shaft and low starter mount.

Matches engines series 15GA.

They went to a bolted shaft in the late 1500 production c. 1959.
 
billspohn said:
That is an early MGA trans with sliding spline drive shaft and low starter mount.

Matches engines series 15GA.

They went to a bolted shaft in the late 1500 production c. 1959.
Click to expand...
That pretty much nails it down...thanks!
 
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