Log trailer with Crane for tracror,timber trailer,forest trailer 1.high efficiency 2.easy maintenance 3.Convenient operati Log trailer with crane for Tractor,timber trailer,log trailer is mainly used to load , unload , transport Timber, it can also be used to stack and unstack of wood, grass, read, and banboo, etc. It can use the hydraulic power from the Tractor, can also use gasoline engine.