KOBELCO 7055-3F Brand Kobelco Model & Type 7055-3FHydraulic Crawler Crane Tonnage 55TON Specifications Max. Boom Length: 51.8m.Max. Lifting Capacity: 55t x 3.7m.Hook: 55t, 32t, 19t & Ball.Counterweight: 15,2t.*Max. Fixed Jib Combination:42.7m + 12.2m,39.6m + 18.3m.