Probably just getting some tree dismantling practice in before the emerald ash borer takes over. Could make for some exciting tree climbing with gaffs when the tree turns to powder when the saw starts. Emerald Ash Borer (EAB) Known Infested Counties | Animal and Plant Health Inspection Service There is a larger model Sennebogen than depicted the 738 (75 feet of reach, 225hp, 46 tons) compared the 728 shown with 188hp, 60 feet reach, 38 tons. The truck crane guy (cranes are made by Palfinger, Effer, Bik Fassi etc) might do some research on the Volvo trucks they have a heavy duty model. "The 1.6-million-square-foot New River Valley assembly plant, located on nearly 300 acres in Dublin, Virginia, is the largest Volvo truck manufacturing facility in the world. The plant is certified under the ISO 9001 quality, ISO 14001 environmental, and ISO 50001 energy standards. The New River Valley plant produces all Volvo trucks sold in North America, including the VNM, VNL, VNX, VHD and VAH models."