Trailer-mounted forestry crane 21-GL47

knuckle boom

Supplied with bent lifting arms providing maximum lifting capacity in flat ground positions. Top-mounted lift cylinders in protected position. The interior hoses in the lifting arm and articulated boom are protected from external damage during operation. Four slewing cylinders. Equipped with fully rotating rotator, grapple and two-lever valve block as standard. The grapple loader requires one single-acting and one return hydraulic outlet on the tractor. The grapple loader is supplied with two hydraulic ½ inch, quick coupling male hoses. The valve is not suitable for John Deere-type constant pressure systems.