Liebherr LR1750-2 This mega project started in September 2011 and has still not been completed. The scale is 1: 14.5, which makes the crane look very large. Some technical details: Track length: Crane width: Central ballast: Ballast superstructure: Length S-boom: Length D-boom: Length fly Jib: Weight of crane: 820 mm 710 mm 31 kg 82 kg max. 6517 mm max. 2172 mm max. 7241 mm +/- 450 kg The construction reports folder contains the description of this project. Construction report Liebherr LR1750-2