TRK heavy-duty flail shredder is a very robust machine suitable for clearing forest trees and pruning up to 15 cm (5,9 inches). It can shred whole trees and clean under-brush. TRK has a big rotor and each hammer weighs 1800 gr. (~4 Lbs). By means of the hydraulically controlled rear gate and the half moon shaped skids the TRK can work in both direction.