Luffing tower crane Model GHD4015-6 is special designed to work in narrow construction job sites. With short tail designed and luffing jib, it helps crane limits itself within the job site area then not reaching out public area, not over-sailing/flying on top of other nearby buildings. Loading capacity 6 ton max; tip load 1.5 ton at 40m radius. Jib length (working radius): 40m