1958

Units Z4i 1011-1030 are built between 1958-1961.

Technical specifications:
- Length over buffers: 22700 mm
- Wheelbase: 19300 mm
- Tare weight: 32.0 t
- Max. speed: 140 km/h
 

1964

Units Z4i 1011-1030 receive new registration Zi 1011-1030.  

1968

Units Zi (later Z) 921-960 are built between 1968-1970.

Technical specifications:
- Length over buffers: 22700 mm
- Wheelbase: 19300 mm
- Tare weight: 32.0 t
- Max. speed: 140 km/h
 

1969

From 1969, the 3-digit numbers are incorporated into UIC numbers. Originally for international service, these units will carry the code 50 85 00-30. From 1983 they are used only for internal service and will carry the code 50 85 00-33.

Units Zi 1011 - 1030 also receive new registration numbers 901 - 920.
 

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Latest update on the 23rd of November 2019 at 23:24

Contributor(s): Tudor C.

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