Etalon T121
Ukrainian trolleybus model

Etalon T121/T122 Barvinok (periwinkle) is a Ukrainian low-entry trolleybus of large capacity, produced at the Chernihiv Bus Factory since 2013. This model was based on the BKM-321 trolleybus using the body of the BAZ A111 bus. There are currently 43 trolleybuses in operation.
Description
The capacity of the trolleybus is 105 people, including 31 seats. The trolleybus is equipped with a load-bearing body of the wagon layout. The trolleybus is equipped with asynchronous engine DTA-1U1 and control system EPROTET-180-2. The suspension of the front wheels is independent pneumatic, the rear wheels are dependent, pneumatic. The trolleybus has a platform for the boarding of disabled people.
In May 2016, Etalon T12110 received an autonomous running system that allows the trolleybus to travel up to 1 km on its own.
The last batch of trolleybuses is equipped with electric motors AD903 U1 manufactured by Kharkiv plant "Elektrotyazhmash".
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This entry incorporates text from “Etalon T121” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.