17000seeria

17000seeria refers to a series of Finnish-made electric locomotives designed and manufactured by Strömberg and Transtech for the Finnish state railway VR. The designation "17000seeria" is a historical internal VR numbering system rather than an official manufacturer model name. These locomotives were developed in the late 1980s and early 1990s, primarily to haul heavy freight trains across Finland's extensive rail network.

The design incorporated advanced AC traction technology for improved efficiency and performance compared to earlier DC locomotives. Key features include a powerful asynchronous motor system, regenerative braking capabilities, and a robust construction suitable for the demanding Nordic climate. They were intended to be highly reliable and require less maintenance than their predecessors.

Initially, VR ordered a significant number of these locomotives, intending them to be the backbone of their freight operations. However, the project faced some developmental challenges and the total number built was eventually lower than originally planned. Despite any initial hurdles, the 17000seeria locomotives have proven to be capable machines, contributing significantly to VR's freight transportation capacity. They are still in active service, although newer locomotive classes have since been introduced. Their operation is a key part of maintaining the flow of goods throughout Finland.