To change the faction and the kits you must go to the init.con file in the server.zip folder in the map folder and look for the LevelSettings lines
gameLogic.setTeamName 1
gameLogic.setTeamName 2
These indicate the name of the faction "DE" for the Germans "IT" for the Italians "NZ" new zealand "GB" Great Britain. etc
gameLogic.setTeamLanguage 1
gameLogic.setTeamLanguage 2
These indicate the language of the radio that will be used
gameLogic.setTeamFlag 0 "flag_neutral"
gameLogic.setTeamFlag 1 "flag_de"
gameLogic.setTeamFlag 2 "flag_gb"
These indicate the flag that will be used in the control points
gameLogic.setKit 1 0
gameLogic.setKit 2 0
gameLogic.setKit 1 1
gameLogic.setKit 2 1
...
They indicate the kit and the soldier that is going to be used, to see the kits go to kits\objects_server.zip, and to see the soldiers see soldiers\objects_sever.zip
Team 1 will always be the axis and team 2 will always be the allies
Examples:
gameLogic.setKit 1 3 "GA_Limited_Support_MG34_K98" "ga_light_soldier": for a german afrika corps support soldier
gameLogic.setKit 1 3 "IA_Limited_Support_MG34_K98" "ia_heavy_soldier" for a italian suport soldier