Crotram

Crotram is a Croatian consortium and industrial brand formed around the development and production of low-floor trams. Its principal participants are Končar and TŽV Gredelj, both based in Zagreb. The consortium's work represented a significant domestic effort to develop a modern Croatian urban-rail vehicle rather than relying solely on imported tram platforms. Končar has been responsible for the general tram design, electrical and electronic systems, and final assembly. TŽV Gredelj has supplied vehicle bodies. Although the two companies are theoretically equal consortium partners, the available reference material states that Gredelj's contribution accounts for approximately 13% of the tram's value, with Končar carrying the larger share of the engineering and integration work. Đuro Đaković was initially involved in the project but later left the consortium. Development of hydraulic equipment and bogie mechanics was subsequently transferred to the German companies SAMES Hydro-Systemtechnik GmbH & Co. KG and Henschel Antriebstechnik GmbH. Crotram's best-known vehicles are the TMK 2100, TMK 2200, and the shorter TMK 2200-K, which is listed as the TMK 2300 in Zagreb Electric Tramways' vehicle register. The TMK 2100 was derived from the TMK 201 platform. Its prototype was completed in 1994, serial production began in 1997, and 16 vehicles were delivered to the City of Zagreb between 1994 and 2003. The TMK 2200 established Crotram as a supplier of modern low-floor trams for Zagreb. In 2003, Zagreb Electric Tramways ordered 70 vehicles after Crotram won a tender against Siemens' Combino and AnsaldoBreda's Sirio, with price identified as the basis of the award in the reference material. A shorter derivative, the TMK 2200-K, was developed for more constrained operating requirements. Two vehicles were delivered initially, while a further 14 were associated with delivery to Liepāja, Latvia. The related TMK 2300 designation is used in the ZET register. The TMK 2300 is operated by ZET in Zagreb and Liepājas tramvajs in Liepāja, giving Crotram a presence outside Croatia. The reference material also identifies a TMK 2400 model made by Končar alone rather than by the original two-company consortium. This indicates that the Crotram name is most closely associated with the earlier consortium-produced vehicle family, while later tram development has also continued under the Končar name. Precise information about Crotram's legal structure, current status, ownership, website, and present commercial activity is not established by the supplied material.

Crotram emerged from a Croatian effort to design and manufacture a modern low-floor tram using the capabilities of Zagreb-based industrial companies. The consortium's core participants were Končar and TŽV Gredelj. Đuro Đaković was involved at the beginning of the project but later withdrew. As the program developed, hydraulic equipment and bogie mechanics were sourced from German engineering companies SAMES Hydro-Systemtechnik GmbH & Co. KG and Henschel Antriebstechnik GmbH. The first major Crotram vehicle was the TMK 2100. Based on components from the TMK 201, its prototype was produced in 1994. Serial production began in 1997, and 16 trams were ultimately ordered and delivered for Zagreb between 1994 and 2003. The program gave Croatian manufacturers experience in vehicle integration, low-floor tram design, electrical engineering, electronics, body construction, and final assembly. The consortium's most important commercial and operational step was the TMK 2200. Zagreb Electric Tramways, the public transport operator of Zagreb, ordered 70 vehicles in 2003. Crotram won the relevant tender against Siemens' Combino and AnsaldoBreda's Sirio; the supplied reference identifies the lower price of the Crotram offer as the deciding advantage. The TMK 2200 became a principal low-floor tram type in Zagreb and the best-known product associated with the Crotram name. A shorter version, the TMK 2200-K, was subsequently developed. It is recorded as the TMK 2300 in the ZET vehicle register. Two vehicles were delivered, and 14 additional vehicles were associated with delivery to Liepājas tramvajs in Liepāja, Latvia. The TMK 2300 therefore operated in both Zagreb and Liepāja, extending the platform's use beyond Croatia. The division of work within the consortium was uneven in practical terms. TŽV Gredelj produced the vehicle bodies, while Končar handled general project engineering, electrical and electronic systems, and final assembly. The available reference describes Gredelj as contributing approximately 13% of the tram's value, despite the companies being treated theoretically as equal partners. The material does not provide a definitive date for the consortium's formation, dissolution, or current legal status. A later TMK 2400 is identified as a vehicle made by Končar alone. This separates the TMK 2400 from the earlier Crotram consortium products and suggests a transition from a consortium-branded development model toward continued tram production under Končar's own industrial organization. On the evidence supplied, Crotram is best understood as the consortium identity attached chiefly to the TMK 2100, TMK 2200, and TMK 2300 family rather than as a clearly documented standalone corporation.

• 2003

  Zagreb orders TMK 2200 vehicles

  [1]Crotramen.wikipedia.org

  Zagreb Electric Tramways ordered 70 TMK 2200 vehicles after Crotram won a tender against Siemens Combino and AnsaldoBreda Sirio.

• 1997

  TMK 2100 serial production begins

  [1]Crotramen.wikipedia.org

  Serial production of the first Crotram-associated low-floor tram began.

• 1994

  TMK 2100 prototype completed

  [1]Crotramen.wikipedia.org

  The prototype of the TMK 2100 was produced using parts from the TMK 201 platform.

A Croatian industrial consortium focused on domestically developed, low-floor urban trams and integrated tram-system engineering.

• Low-floor tram · 1994

  TMK 2100

  The TMK 2100 was the first major Crotram-associated tram platform. It was developed by Končar and TŽV Gredelj using parts from the TMK 201. A prototype was completed in 1994, serial production started in 1997, and 16 vehicles were delivered for operation in Zagreb between 1994 and 2003.

• Low-floor tram · 2003

  TMK 2200

  The TMK 2200 is a modern low-floor tram developed for urban service in Zagreb. Zagreb Electric Tramways ordered 70 vehicles in 2003 after Crotram won a competitive tender against Siemens' Combino and AnsaldoBreda's Sirio. The platform became the consortium's principal and most recognized tram product.

• Short low-floor tram variant

  TMK 2200-K

  The TMK 2200-K is a shortened derivative of the TMK 2200. Two vehicles were delivered initially, while 14 additional vehicles were associated with delivery to Liepāja. In the Zagreb Electric Tramways register, this variant is identified as the TMK 2300.

• Low-floor tram variant

  TMK 2300

  TMK 2300 is the designation used by Zagreb Electric Tramways for the shorter TMK 2200-K variant. Vehicles of this type are associated with operations by ZET in Zagreb and Liepājas tramvajs in Liepāja, Latvia.

• Tram

  TMK 2400

  The TMK 2400 is identified in the reference material as a newer model made by Končar alone, rather than by the original Crotram consortium. Further technical and commercial information is not established by the supplied sources.

• 2003

  Tender win for the TMK 2200Product launch

  Background

  Zagreb Electric Tramways sought new low-floor trams, with Crotram competing against Siemens' Combino and AnsaldoBreda's Sirio.

  Action taken

  Crotram secured an order for 70 TMK 2200 vehicles. The supplied reference attributes the award to the consortium's lower price.

  Aftermath

  The order established the TMK 2200 as a major tram type in Zagreb and reinforced the role of Croatian manufacturers in the city's tram fleet.

  Source

1. 1Crotramen.wikipedia.org