Karosa B 931 is an urban bus produced by bus manufacturer

Karosa Karosa ( cs, Továrna na Kočáry, Automobily, Rotory, Obráběcí stroje, Sekací stroje a Autobusy, en, Factory for carriages, cars, rotors, machine tools, cutting machines and buses) was a bus manufacturer in Vysoké Mýto in the Czech Republi ...

from the

Czech Republic The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...

, in the years of 1996 to 2002. Modernised version B931E was introduced in 1999. It was succeeded by

Karosa B 951 Karosa B 951 is an urban bus produced by bus manufacturer Karosa from the Czech Republic, in the years of 2002 to 2006. Modernised version B951E was introduced in 2003. Construction features Karosa B 951 is a model of the Karosa 900 series. T ...

in 2002.

Construction features

Karosa B 931 is a model of the

Karosa 900 series Karosa 900 series is a collective term for several modifications of a bus which was produced by Czech company Karosa in the town Vysoké Mýto from 1994 to 2007. The basic models of this series are intercity bus Karosa C 934 and later produ ...

. The B 931 is derived from the Karosa B 731 city bus, and also unified with city bus models such as the B 941 and the B 932. The body is semi-self-supporting with

frame A frame is often a structural system that supports other components of a physical construction and/or steel frame that limits the construction's extent. Frame and FRAME may also refer to: Physical objects In building construction *Framing (con ...

and engine with

automatic gearbox An automatic transmission (sometimes abbreviated to auto or AT) is a multi-speed transmission used in internal combustion engine-based motor vehicles that does not require any input from the driver to change forward gears under normal driving c ...

in the rear part. The engine drives only the rear axle. The front axle is independent, rear axle is solid. All axles are mounted on

Air suspension Air suspension is a type of vehicle suspension powered by an electric or engine-driven air pump or compressor. This compressor pumps the air into a flexible bellows, usually made from textile-reinforced rubber. Unlike hydropneumatic suspension, ...

. On the right side are three doors (first are narrower than middle doors). Inside are used plastic Vogelsitze or Fainsa seats. The driver's cab is separated from the rest of the vehicle by a glazed partition (protype BK1 made in the year 1995 didn't have this partition). In the middle part is room for a pram or wheelchair.

Production and operation

Prototype of Karosa B931 was built in 1995. It was bought in 1996 by Prague transport company and operated until 2012.
First ten serial buses were made at the end of 1995 for Prague transport company.
In 1996 started serial production, which continued until 2002. Since 1999 were buses produced only in modernised version B931E, which has new solid front axle Škoda-LIAZ, floor lowered in front part by 10 centimeters, ABS and

ASR The Asr prayer ( ar, صلاة العصر ', "afternoon prayer") is one of the five mandatory salah (Islamic prayer). As an Islamic day starts at sunset, the Asr prayer is technically the fifth prayer of the day. If counted from midnight, it is ...

. Currently, number of Karosa B931 buses is decreasing, due to supply of new

low-floor bus A low-floor bus is a bus or trolleybus that has no steps between the ground and the floor of the bus at one or more entrances, and low floor for part or all of the passenger cabin. A bus with a partial low floor may also be referred to as a low- ...

es, for example by SOR NB 12 made in

Historical vehicles

* Unknown owner (bus ex. DP Plzeň no. 433) * Technical museum in

Brno Brno ( , ; german: Brünn ) is a city in the South Moravian Region of the Czech Republic. Located at the confluence of the Svitava and Svratka rivers, Brno has about 380,000 inhabitants, making it the second-largest city in the Czech Republic ...

(1 bus B931.1675 no. 7425, year 1998)

Construction features

Production and operation

Historical vehicles

See also