... PU100 to PU240 to fit to the upper part of 8-24ton normal excavators, e.g. Caterpillar, Hitachi, JCB, Volvo, ... mounting frame for connection of upperstructure and undercarriage.1. PU150 Floating Steel Pontoon of swamp excavators2. Fit to Hitachi, Cat, Jcb ... pontoon undercarriage for amphibious excavators, 2 chains track, fit to 8-10ton normal excavators, e.g. JCB, Hitachi, Kobelco, Caterpiliar etc ...