Modernization / conversion and repair

Modernization is a cost effective way to equip an old vessel with modern features. We are experienced in the renewal of old Ganz Danubius or other floating cranes, cranes, or any type of floating objects.
Conversion is a pretty much exciting way of old vessels’ revival. You are dreaming of a floating home, a restaurant very close to the river or you want to start up an extraordinary paintball game zone, conversion of an old barge or freighter can be a good solution. Costs are affordable and options are infinite…

Modernization of old floating cranes / cranes

Our company is specialized in refurbishment of old floating cranes, portal or gantry cranes built by Ganz Danubius or other makers.
Floating cranes are durable machines, however after 20-30 years they deserve a modernization. The electrical system and the crane control becomes outdated, spare parts of the outdated system are hardly purchasable and expensive. Mechanical parts may also need replacement or reconditioning depending on the working conditions and the maintenance.


  • Price is 20-60% of newbuilding
  • Flexible scope of works – pricing according to budget
  • Modern crane features
  • Old electrical components are unavailable or expensive ↔ modernized system, cheap spare parts
  • Possible cooperation with local shipyard

Modernization, refurbishment options

  • Ropes, sheaves, bearings, fittings
  • Enabling grabbing
  • New operator’s cabin, Modern crane features
  • Pontoon machinery (Floating cranes)
  • Accommodation (Floating cranes)
  • Gears, improving the capacity
  • DC system overhauling or Complete electrical modernization
  • Propulsion

Ganz Danubius floating cranes in the world – common types:

5 t, 16 t, 25/32 t, 35 t, 100 t

12,5 t capacity gantry crane Modernization Csepeli szabadkikötő – Hungary 2014
6t capacity portal crane – 12 units Commissioning Lattakia Port Co. — Syria 2005

Spare parts

If you are operating an old Ganz floating crane you may be interested in our special service provided for these floating cranes: We can deliver a number of spare parts you may need during maintenance or repair tasks. In some cases more or less modification is necessary when you are installing new components on your old crane. We can also assist you in these situations.
Usually we deliver complete gearboxes and overload protection devices for the cranes, but please contact us, in case you need other spare parts. In case of electrical parts, as the industry develops, it is hard to purchase parts for old, outdated systems. There is a point in a crane’s life, when the operator has to consider the complete modernization of the electric drive and control system of the crane. Please check our modernization section.



Ganz Danubius HUTI Ltd. provides creative, custom tailored and cost efficient engineering solutions. Our team comprise young but experienced naval architects who have unique skills in such special areas as hull form design, structural design, FEM (finite element method) strength analysis, mechanical engineering, support and organization of manufacturing and so on.
Our activity covers the design from concept to the details, preparation of plans for class approval and the workshop, field engineering during newbuilding and reconstruction works.
If you have an old Ganz Danubius (or other) crane or floating crane, we can make a survey, providing a detailed report about the condition of the crane and recommendations for repair and modernization.

Excursion and sightseeing boats Kisfaludy paddle wheel boat (design) 2014
Loading pontoon Floating bunker station 2014