United Heavy Transport


The UHT fleet operates globally and offers ocean transport solutions to a number of markets, ranging from oil and gas to renewables. These semi-sub vessels are purpose-built to transport floating and fixed assets for offshore clients, modules for onshore construction projects, and dredging equipment for port development initiatives.

With a versatile fleet, strong in-house engineering and project management support, UHT, together with GS-Pango International, is able to offer a full suite of services based on the needs of the client.

Offshore Exploration and Production

With a diverse fleet ranging from 26,000 to 80,000 DWT, we have the ideal vessel to transport a wide array of offshore rigs and production assets:

  • Offshore Rigs: Jack-up drilling rigs, semi-submersible, tender-assist rigs, drillships, mat-supported rigs
  • Floating Production systems: SPAR Platforms, tension leg platforms (TLP), floating production storage and offloading units (FPSO), floating storage regasification unit (FSRU)

Our in-house engineering United Engineering Solutions can customize sea fastening arrangements, as well as cradle designs, for the safe transport of your high-value asset.

Offshore Installation

Our semi-submersible fleet is purpose-built with dynamic positioning capabilities, providing them the ability to work in close proximity to offshore structures safely by means of float-over installation for shallow water structures.

  • Fixed Production systems: Topsides, jackets, gravity based structure (GBS)

Our in-house engineering United Engineering Solutions provides motion analysis, method statements, engineered lifts and other technical services in compliance with applicable marine standards and practices, while striving to achieve the optimal solution to our clients.

Onshore LNG and Petrochemical

Our vessels are ideal to handle a wide variety of modules and components used in the onshore LNG and petrochemical industries, such as:

  • Modular plants
  • Reactors
  • Pressure tanks
  • Boilers

Combined with our in-house engineering partner, United Engineering Solutions, our combined knowledge provide a value-added service of a complete and integrated logistical management solution.


The United Heavy Transport vessels are ideal for the transport of monopiles, jacket foundations, transition pieces, and substations. Through our close cooperation with United Wind Logistics, we can provide clients with a turn key solution to their logistical requirements, ensuring a safe and cost effective project execution.  This service allows our clients to focus elsewhere while we optimize deliveries of wind components from various yards to the offloading site.

As a company within the UNITED GROUP, our value add approach provides us the ability to utilize vessels in our entire fleet (UHTUHLUWL) which are optimal for the cargo, both technically and operationally.  With these tools in hand, United Heavy Transport is quickly becoming a leader in the transportation of offshore wind components and structures.

Port and Marine

United Heavy Transport’s unique capabilities allow us to safely handle:

  • Dredging equipment
  • Construction vessels
  • Barges & tugs
  • Lift boats
  • Ship-to-shore (STS) cranes
  • Dry docks

Services such as dry docking of floating structures and launching of newbuild equipment from the quayside are examples of the services UHT can provide to the Port and Marine market.