Union Gießerei
A historic Königsberg engineering and shipbuilding company that produced ironwork, steam machinery, ships, and locomotives.
Last updated August 31, 2026
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Overview
Union Gießerei was a German engineering and heavy-manufacturing company based in Königsberg, East Prussia. Its origins lay in an iron foundry established on 1 May 1828 by Gustav Schnell, Friedrich Laubmeyer, and Carl August Dultz, with the English-born Charles Hughes responsible for operating the enterprise. The business adopted the name Union Gießerei in 1845. It developed during a period when industrialization was expanding beyond Germany’s established western manufacturing centers and when East Prussia needed local capacity for machinery, transport infrastructure, and maritime activity. A major turning point came in 1846, when the company employed Johann Gottfried Dietrich Wilhelm Ostendorff, an engineer who had gained practical experience in Britain with locomotive and marine steam engines and boilers. His technical background helped broaden Union Gießerei beyond basic foundry work into steam engineering, shipbuilding, locomotive construction, and boiler production. Ostendorff became the sole managing partner in 1852 and directed the firm through its most important nineteenth-century expansion. The company launched its first steamship, Schnell, on 5 June 1855, and delivered its first steam locomotive to the Prussian Eastern Railway on 5 December of the same year. After Ostendorff’s death in 1876, management passed to Elias Radok, an engineer who had previously worked for August Borsig in Berlin. On 2 June 1881, Union Gießerei was reorganized from a public trading company into an Aktiengesellschaft, the German form of a public limited company. Its leadership included Radok and Arthur Ostendorff, the founder’s son. During the late nineteenth and early twentieth centuries, the company operated as a diversified engineering enterprise, combining foundry work with locomotive manufacture, marine engineering, ship construction, and ship repair. Following Radok’s death in 1910, the company was managed by senior technical personnel, including Georg Panck, Paul Fischer, and master builder Max Hartung. Fischer departed in 1920 because of illness, Panck died in 1923, and Hartung remained in charge until Dr. Paul Brehm joined the leadership in November 1925. The company then encountered serious financial and commercial difficulties. The newly established Deutsche Reichsbahn did not initially award Union Gießerei contracts, and negotiations with the state railway produced little business. This weakness was particularly damaging to the locomotive side of the enterprise. Union Gießerei eventually received orders in 1927 to build locomotives of the DRG Class 64 and Class 80 under the Ostlandhilfe program, an initiative intended to support the economically troubled eastern regions. The shipyard business performed better because German authorities considered ship-repair capacity in East Prussia strategically important. These developments, however, did not restore the company’s overall financial position. Union Gießerei was declared bankrupt in 1930 and, from 17 March of that year, operated as a subsidiary of F. Schichau GmbH. The shipyard was fully integrated into the Schichau group in 1931. The company’s Königsberg operations came under Soviet control in 1945 after the end of the Second World War. The former shipyard subsequently became part of the Soviet and later Russian shipbuilding system, associated with the Yantar Shipyard. Union Gießerei therefore survives primarily as a historical industrial name rather than as an independent operating brand. Its legacy is tied to the industrial development of Königsberg and to the evolution of East Prussian capabilities in steam engineering, railway equipment, shipbuilding, and ship repair.
History
Union Gießerei began as an iron foundry in Königsberg on 1 May 1828. The founding group consisted of merchant Gustav Schnell and his brothers-in-law Friedrich Laubmeyer and Carl August Dultz, while Charles Hughes, who was English-born and connected to the Schnell family through marriage, operated the enterprise. The business adopted the name Union Gießerei in 1845. The company expanded its capabilities after hiring Johann Gottfried Dietrich Wilhelm Ostendorff in 1846. Ostendorff had acquired experience in Britain with locomotive and marine steam engines and boilers, allowing the firm to move into more technically demanding areas of engineering. He became the sole managing partner in 1852. Under his direction, Union Gießerei entered both maritime and railway manufacturing. Its first steamship, Schnell, was launched on 5 June 1855, and its first steam locomotive was delivered to the Prussian Eastern Railway on 5 December of that year. Ostendorff died in 1876 and was succeeded by Elias Radok, an engineer formerly associated with August Borsig in Berlin. In 1881 the business was converted into an Aktiengesellschaft. Radok and Arthur Ostendorff, the founder’s son, formed part of the new leadership. The company continued operating as a diversified engineering concern, with activities spanning iron founding, steam machinery, boiler production, locomotive construction, shipbuilding, and ship repair. After Radok’s death in 1910, senior engineers and technical managers directed the company. Georg Panck, Paul Fischer, and Max Hartung were among the principal figures during this period. Fischer left in 1920 because of illness, Panck died in 1923, and Hartung led the company until Dr. Paul Brehm joined in November 1925. The interwar period brought severe commercial pressure. Union Gießerei failed to obtain contracts from the newly created Deutsche Reichsbahn, and negotiations with the railway administration were largely unsuccessful. The resulting weakness in locomotive orders contributed to major economic problems in the middle of the 1920s. In 1927, the company received orders for DRG Class 64 and Class 80 locomotives through the Ostlandhilfe program, which was intended to support the eastern German regions. Its shipyard activities were more resilient because the German state regarded ship-repair capacity in the East as strategically important. These measures were insufficient to prevent collapse. Union Gießerei was declared bankrupt in 1930 and became a subsidiary of F. Schichau GmbH from 17 March. The shipyard was fully integrated into the Schichau group in 1931. In 1945, after the end of the Second World War and the transfer of Königsberg to Soviet administration, the facility came under Soviet control. It later became associated with the Russian-owned Yantar Shipyard. The independent Union Gießerei company is therefore defunct, although its industrial site and shipbuilding legacy continued under successor ownership and political systems.
- 1945
Facility transferred to Soviet control
[1]The former Königsberg shipyard came under Soviet control after the Second World War.
- 1931
Shipyard integrated into Schichau
[1]The shipyard was fully absorbed into the Schichau group.
- 1930
Bankruptcy and Schichau subsidiary status
[1]The company was declared bankrupt and became a subsidiary of F. Schichau GmbH from 17 March.
- 1927
Locomotive orders under Ostlandhilfe
[1]Union Gießerei obtained orders for DRG Class 64 and Class 80 locomotives.
- 1881
Conversion into an Aktiengesellschaft
[1]The company became a German public limited company on 2 June.
- 1876
Elias Radok takes over management
[1]Following Ostendorff’s death, Elias Radok assumed leadership.
- 1855
Entry into steamship and locomotive production
[1]The company launched Schnell and delivered its first steam locomotive to the Prussian Eastern Railway.
- 1852
Ostendorff becomes sole managing partner
[1]Ostendorff assumed sole management of the company.
- 1846
Ostendorff joins the company
[1]Engineer Johann Gottfried Dietrich Wilhelm Ostendorff joined the firm and expanded its steam-engineering capabilities.
- 1845
Union Gießerei name adopted
[1]The business began operating under the name Union Gießerei.
Products and positioning
A diversified nineteenth- and early twentieth-century East Prussian engineering enterprise serving railway, marine, shipbuilding, and industrial-infrastructure needs.
Steamship · 1855
Schnell
Schnell was Union Gießerei’s first documented steamship. It was launched on 5 June 1855 and represented the company’s move from iron founding into marine construction and steam-powered vessel production.
Railway equipment · 1855
Steam locomotives for the Prussian Eastern Railway
Union Gießerei delivered its first steam locomotive on 5 December 1855 to the Prussian Eastern Railway. Locomotive construction became one of the company’s principal engineering activities, although later access to Deutsche Reichsbahn contracts was limited.
Steam locomotive · 1927
DRG Class 64 locomotives
The company received orders to construct locomotives of the Deutsche Reichsbahn Class 64 under the Ostlandhilfe program in 1927. The orders provided important work during a period of severe weakness in the company’s railway business.
Steam locomotive · 1927
DRG Class 80 locomotives
Union Gießerei also obtained 1927 orders for locomotives of the Deutsche Reichsbahn Class 80. These contracts formed part of the state-supported effort to sustain industrial employment and capacity in Germany’s eastern regions.
Marine engineering
Marine engines, boilers, and ship-repair work
After Ostendorff joined the company, Union Gießerei expanded into marine steam engines and boilers. Its shipyard also carried out ship repair, an activity that retained strategic importance for German authorities in East Prussia during the interwar period.
Brand decisions
1930
Transfer to F. Schichau GmbHM&ABackground
Persistent commercial difficulties and bankruptcy made continued independent operation impossible.
Action taken
From 17 March, Union Gießerei became a subsidiary of F. Schichau GmbH.
Aftermath
The shipyard was fully integrated into the Schichau group in 1931, ending Union Gießerei’s independent corporate existence.
1927
Acceptance of DRG Class 64 and Class 80 locomotive ordersProduct launchBackground
Union Gießerei faced serious economic pressure after failing to secure meaningful contracts from the newly formed Deutsche Reichsbahn.
Action taken
The company accepted orders to build DRG Class 64 and Class 80 steam locomotives through the Ostlandhilfe eastern-regions support program.
Aftermath
The orders provided temporary industrial work but did not resolve the company’s broader financial problems.
1881
Conversion into an AktiengesellschaftStrategyBackground
The established engineering company required a more formal corporate structure as its manufacturing activities and capital needs expanded.
Action taken
On 2 June, Union Gießerei changed from a public trading company into an Aktiengesellschaft, or German public limited company.
Aftermath
The reorganization placed the business under a formal board structure led by Elias Radok and Arthur Ostendorff.
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