Here is a collection of interesting trucking fanpages.
VolvoFan.nl If you are a Volvo-fan, then this site is worth a visit.
V8power.nl If you like a V8, then this site is worth a visit.
LKW-Stefan A huge amount of pictures and information of real trucks and machinery
Ditzj Lots of pictures and information about real cranes and heavy transport.
Kran und Schwerlast Made by Jens Grootoonk from Germany, a site with many pictures of cranes and heavy tranport.
Cranes-Cranes-Cranes Made by Wolfgang Esbruch from Germany with a lot of pictures of cranes and heavy transport.
Trucks-Cranes Made by Eric Konijn from the Netherlands with a lot of pictures of cranes and heavy transport.