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ORTS Maschinenfabrik Ship and Dredger Grabs

Founded in 1972 as an engineering office and consultancy company, ORTS specialises in the construction of marine grabs / buckets (its main business), and nearly all types of bulk-handling equipment.

Initially, the company only carried out construction and sales, and the manufacturing of all appliances took place at companies known by Mr. Eng. Sigvard F. Orts personally from his former employment.

In 1974 manufacturing began to be concentrated at a workshop in Sereetz, Germany. Then, in 1985, Eng. Sigvard F. Orts took over the company and the workshop, renaming it ORTS Maschinenfabrik.


Based on his widespread and specialist experience, Eng. Sigvard F. Orts has developed and constructed some of the biggest grabs / buckets ever built.

ORTS’ range of ship grabs / buckets and accessories includes:

  • Mechanical rope grabs / buckets
  • Electro-hydraulic grabs / buckets
  • Radio controlled diesel-hydraulic grabs /buckets
  • Wood grabs (for wood bundles or wood logs)
  • Dredger grabs / buckets
  • Salvage grabs / buckets
  • Crane equipment / crane accessories for operating electro-hydraulic grabs / buckets
  • Cargo-turners

Other constructions we supply are heavy-lift beams, flat-traverse frames and spreaders.


Specially-constructed grabs / buckets include an oil-salvage grab for recovering row-oil from the water surface (after ship accidents).

Also, in the early 1980s ORTS produced the first grabs / buckets with 100% enclosed buckets and a 115t dead-weight salvage grab for ship- wrecks. This grab is successfully working in the Suez Channel.


ORTS can also provide grabs / buckets specifically tailored to customer specifications.


The biggest dredging grabs / buckets were constructed by ORTS for St. Petersburg, Russia, (60t and 80t dead-weight), in the mid-1980s, and they are still in successful operation.


ORTS’ main customers are shipping companies, where the grabs / buckets have to stand the rough conditions on sea-going vessels, charging and discharging the vessel in every corner of the world.


Repairs on grabs / buckets from other manufacturers have also been successfully carried out many times by ORTS.


At the end of the 1990s, ORTS acquired the last drawings from the bankrupt grab manufacturer ZGS (formerly VEB Schmiede und Schweißwerk Zwickau), the leading grab manufacturer in the former East Germany (GDR / DDR). If drawings are available, ORTS is able to provide former ZGS customers with spare parts for their grabs / buckets.


In the last 42 years ORTS has constructed (and – since 1985 – also self-manufactured), several thousand grabs / buckets. This provides us with a wealth of specialist grab-construction experience.


Counted over the lifetime of a grab, ORTS grabs / buckets are the best-priced grabs / buckets available. They are reliable, provide the best efficiency, powerful and have low spare-part consumption.

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Press Release

ORTS Deliver Largest Diesel-Hydraulic Grab

The DHM 12m³ radio-controlled diesel-hydraulic orange-peel grab is so far the biggest diesel-hydraulic grab we have delivered.

White Papers

Advantages of Electro-Hydraulic Motor Grabs Compared to Mechanical Single Rope Grabs

Electro and diesel-hydraulic grabs have a number of advantages over their mechancial single rope counterparts.

Orts GmbH Maschinenfabrik

Schwartauer Str. 99

D-23611 Sereetz


+49 451 39885 1 +49 451 3923 74

ORTS Maschinenfabrik Images

Products and Services


Related Projects

Press Release

12 December 2016

The DHM 12m³ radio-controlled diesel-hydraulic orange-peel grab is so far the biggest diesel-hydraulic grab we have delivered.

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3 May 2016

ORTS Greifer delivered for a good customer at the Persian Gulf three electro-hydraulic EHS-B 20m³ grabs in 2015. A fourth EHS-B 20m³ unit will be delivered in May 2016.

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30 January 2013

A shipping company from the Far East has ordered four electro-hydraulic grabs for their new-build project.

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30 January 2013

A German company that specialises in cleaning bio-mass silos ordered a fully radio-controlled diesel- hydraulic grab from ORTS.

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30 January 2013

ORTS is to deliver 16 electro-hydraulic grabs, the EHS-B 12m³, for a German shipping company and their four new buildings.

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28 August 2012

ORTS will attend the SMM (Shipbuilding, Machinery & Marine technology) international trade fair in Hamburg, Germany, from the 4-7 September 2012.

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18 April 2012

ORTS will be attending Posidonia 2012, the international shipping exhibition in Athens, alongside TECHNAVA. ORTS and its Greece-based partner work closely together and both look forward to seeing you at the exhibition.

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18 April 2012

ORTS Maschinenfabrik delivered two units of mechanical 4-rope grabs to a customer in Indonesia for coal handling. The two grabs, type 2S-4-1B, have a clamshell volume of 24m³ each.

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Regional Offices

Orts GmbH Maschinenfabrik

Schwartauer Str. 99

D-23611 Sereetz


Technava S.A. (Greek partner) +49 451 39885 1 +49 451 3923 74
TECHNAVA Head Office

6 Loudovikou Square


185 31



+302104113916 +302104122450

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