Bought 42108 (built w/o box) for only US$30! Quite a steal to me! Had to get a pic featuring 42009 (the king of mobile cranes imo) in the background : r/legotechnic
42009 Fully RC using 2 receivers - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
42009 Autokran 9 Achsen Anleitung - Webshop von Bauanleitungenmartin
LEGO Review - 42009 Mobile Crane MKII | Rebrickable - Build with LEGO
LEGO TECHNIC: Mobile Crane MK II (42009) for sale online | eBay