Very nice site on Australian Forces that gives some good information of the setup of their armed forces
http://www.awm.gov.au/atwar/structure/one_army.asp
I.e. The Infantry Battalion
1993 Rifle Section:
9 Other Ranks
2 x Minimi light support weapon
1 x M79 grenade launcher
2 x 66mm rocket launcher
Rifle Platoon:
Platoon Headquarters (1 Officer, 2 Other Ranks)
3 x Section
Rifle Company:
Company Headquarters (2 Officers, 4 Other Ranks)
3 x Rifle Platoon
Battalion:
39 Officers, 662 Other Ranks
Battalion Headquarters
Administration Company
Transport Platoon
Quartermasters Platoon
Catering Platoon
Technical Support Platoon
Medical Platoon
Support Company
Signals Platoon
Mortar Platoon
Assault Pioneer Platoon
DFSW (Direct fire support weapon) Platoon
Reconnaissance and
Surveillance Platoon
4x Rifle Company
1993
Armoured Personnel Carrier (Cavalry) Squadron **
Section:
6 Other Ranks
3 armoured personnel carriers
Troop:
Troop Headquarters (1 Officer, 5 Other Ranks, 3 armoured personnel carriers)
3 x Section
Squadron:
9 Officers, 132 Other Ranks
Squadron Headquarters (9 armoured personnel carriers)
Support Troop (17 armoured personnel carriers, 3 tracked load carriers)
Administration Troop (4 armoured personnel carriers, 12 tracked load carriers)
Tech Support Troop (6 armoured personnel carriers, 1 cargo carrier, 1 armoured recovery vehicle)
4 x Armoured Personnel Carrier Troop
I am assuming the 9 officers and 132 other ranks are what is in addition to the 4 x APC troops it mentions