Review: 42108 Mobile Crane | Brickset: LEGO set guide and database
US Semi Truck Instructions
OviTop Liebherr LTM1750 Crane Trolley with Building Instructions in Paper Shape, Large Liebherr Crane Model Compatible with Lego Technic, 7068 Pieces : Amazon.de: Toys & Games
Building Instructions - LEGO 8258: Crane Truck - Book 4