Brickshelf: Pics of 8288 Crawler Crane - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
LEGO 8288 Crawler Crane Instructions, Technic
Mini crawler crane designed I came up with (cat for scale) I used set 42121 as the base and the instructions for set 8288. The hardest part was setting up the pulley system : r/legotechnic