Lego model o mobile crane Liebherr LTM 1050-3.1. There are 7 motors inside, PF system, pneumatic system with compressor. The boom and the cab are lifted pneumatically. It's 90 cm high. All functions except lifting the boom and the cab are remote controlled.
Liebherr, lego, technic, lugpol, pf, makorol, crane, mobile, LTM, 1050, power functions