How to assemble a pontoon undercarriage and excavator upper carriage to build a floating excavator?

Amphibious excavator, marsh buggy, dredger, floating excavator, Big Float or swamp excavator, you name it! In this video we present the basic phases of assembling the Big Float E15 undercarriage with customer's Caterpillar 312 excavator uppercarriage. This amphibious excavator will be used for dredging and removing aquatic vegetation from lakes. @Remu Oy