Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_11497980_1 ( gcm__kg__technical_capacity VARCHAR, transmission_make_type_speed VARCHAR )

### Question ###
When the transmission make/type/speed is eaton fs 5306-a manual synchromesh 6 speed, what is the value of the gcm (kg) technical capacity?

### Accurate SQL ###

SELECT gcm__kg__technical_capacity FROM table_11497980_1 WHERE transmission_make_type_speed = "Eaton FS 5306-A Manual Synchromesh 6 Speed"