hand change gearbox identification

[nigel hunt]

i have purchased a hand change gearbox to do my restoration i cant find out what the exact model its for can anyone help , casting numbe on bottom is ,

     65/3007 wm

[JulianS]

I think the number is for a bare gearbox shell. 3006 is shell with bearings etc.

Photos from 1937 parts list. The 1938 list shows different numbers.

[nigel hunt]

thats brilliant julians , im glad to see the b26 listed there although i have already it fitted but not connected up as yet