HŽ series 7221

7221 series was a diesel motor railbus on Croatian Railways (Croatian: hrvatske željeznice, HŽ).

7221 (was JZ 812)
In comparison to German version, the Croatian version has JŽ-era grey livery and is slightly modified. (Disabled units in Karlovac, Croatia)
Type and origin
Power typediesel
BuilderDUEWAG (Germany), GOŠA (Serbia)
Build date1955
Total produced45
Specifications
Configuration:
​
 • AARBo'Bo'
Gauge1,435 mm (4 ft 8 1⁄2 in) standard gauge
Performance figures
Maximum speed90 km/h (56 mph)
Power output110 kW (150 hp)
Career
Nicknames"Šinobus"
LocaleCroatia

This series was used on branch lines with low traffic. This series was very economic. Unfortunately, it was (by today's standards) very uncomfortable. The motor was very loud when running at higher speeds.

This series was conceived to be modular. It was possible to couple motor units and unpowered cars together, and drive them centrally as one train unit. This was rarely used, when there was demand on lines.

It is very similar to and derives from the German "Schienenbus".

Curiosity
Disabled unit for spare parts on Vinkovci "Ranžirni Kolodvor" in winter
Disabled unit for spare parts on Vinkovci "Ranžirni Kolodvor" on a warm day

There also exists a special version of this vehicle. It is painted blue and is used as a track measure train. It is located in Zagreb, on "Ranžirni Kolodvor" and used occasionally to monitor track on branch lines.

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