Nevermind, I found the answer over at DoW:
Re:Breakthrough-Kit Questions Sat, 01 May 2010 22:06
Bayernkini wrote on Fri, 30 April 2010 13:30
Well, starting with the first questions Rolling Eyes
Scenario 6 - Breakthrough at Mortain:
How many figures have the supply truck. There are no
notices about it in the scenario notes.
Eric said that the trucks in Breakthrough at Mortain should have 3 figures each. The little number is missing from the units, sorry about that. Cool