Dongfeng 6×4 Truck Chassis with XCMG 20-Ton Rear-Mounted Straight Boom Truck Crane The Dongfeng 6×4 heavy-duty truck chassis combined with the XCMG 20-ton rear-mounted straight boom truck crane is a highly efficient integrated solution designed for lifting and transportation operations. It offers strong lifting capacity, excellent stability, and reliable performance, making it widely used in construction, logistics, infrastructure, and industrial …