Categories: Safety Guides FISA 704 Excavators in tree work This leaflet covers the safe working practices to be followed when operating tracked 360 excavators and walking excavators in forestry and other tree work. For guidance on specific operations involving excavator base units see FISA leaflets 204 Flails and mulchers in tree work, 504 Extraction by cable crane, 603 Mechanical harvesting, and 605 Mechanical roadside processing. Documents to download FISA 704 Excavators in tree work.pdf(.pdf, 244.25 KB) Previous Article FISA 703 Next Article FISA 705 Print