PRODUCTS > LIEBHERR CRANES > LUFFING BOOM CRANE Luffing Boom Crane The HC-L luffing boom crane is well designed for the small or restricted job site. Benefits of the luffing crane include a short tail swing and the ability to raise and lower the boom while swinging 360 degrees. Luffing boom units currently available directly from Morrow inventory: Click on any one of the model numbers below to download a PDF. 355 HC-L 12 540 HC-L 12   500 HC-L 540 HC-L 12 Litronic         Luffing boom units available through Morrow from Liebherr: 112 HC-L 224 HC-L 800 HC-L 315 HC-L