The Bull DAF 3300 (yellow singlecab truck) was driven by Jan De Rooy in 1985 Paris-Dakar rally.
The Yellow double cab DAF 3300 was 1984 truck in the same rally and the white is probably the chassi of one of the servicetrucks from 1987-88 rally.
http://www.eenvoudigg.com/eigen/2007-11-07/0105.JPG
http://www.imcdb.org/vehicle_48899-DAF-3300-1984.html?PHPSESSID=fc667c7b5d8c8721fea564b146fd9ecf
http://images107.fotki.com/v523/fileE2DJ/242bd/8/86565/868495/DAF3300Dakarrallytruckp3.jpg
Double cab
http://images114.fotki.com/v639/filevAah/242bd/8/86565/868495/AF3300DakarRallyTruckBF55BX002.jpg
http://dakarderooy.hyves.nl/photos/
Look on page 19 and my map thumbnail is there:)