Gentlemen,
On this site below (in Dutch unfortunately) one can read how the Dutch 43 transport company was ordered from Java to Dutch New Guinea (that was not yet going to be handed over to Indonesia) in late 1949.
They received 35 brandnew Marmon-Herrington 3-tonners to bring along.
So we have seen deliveries from 1947 (Australian Ford/MH's) and two years later there were still MH trucks coming in (still from Australia, civilian style trucks as I suggested?)
These must have ben substantial totals (hundreds) and it should be possible to find them in some old book! If all these trucks came from Australia, it should not be to difficult to track down numbers and exact types.
http://www.veteranen-online.nl/nieuwguinea/43aat.htm
HTH
Nuyt