A09 and A11 were basically developments of the X Type with the Y Type Motor and converted to a four speed gearbox though some of the earliest A-Types had three Speed gearboxes from the X-Type.
A09 and A11 were basically developments of the X Type with the Y Type Motor. A09 and A11 were basically converted to a four speed gearbox. Some of the earliest A-Types had three Speed gearboxes from the X-Type.