Karosa B 931

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Karosa B931
Karosa B931 no.7392 from 1996 of Prague transport company
Overview
Manufacturer	Karosa
Body and chassis
Doors	3, air-operated
Floor type	High-floor
Chassis	semi-self-supporting with frame
Powertrain
Engine	LIAZ ML636N V6 Diesel engine Renault MIHR 062045 V6 Diesel engine
Capacity	31 sitting/63 standing
Power output	175 kW (235 hp) (LIAZ) 152 kW (204 hp) – 188 kW (252 hp) kW (Renault MIHR 062045)
Transmission	Voith DIWA 3-speed automatic ZF 4-speed automatic ZF 5-speed automatic
Dimensions
Length	11,345 mm (446.7 in)
Width	2,500 mm (98.4 in)
Height	3,165 mm (124.6 in)
Curb weight	9,800 kg (21,600 lb) – 10,500 kg (23,100 lb)
Chronology
Predecessor	Karosa B 731
Successor	Karosa B 951

Karosa B 931 is an urban bus produced from 1996 to 2002 by bus manufacturer Karosa from the Czech Republic, in the years of 1996 to 2002. An upgraded version, B931E, was introduced in 1999. It was succeeded by Karosa B 951 in 2002.

Karosa B 931 is a model of the Karosa 900 series. 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 and engine with automatic gearbox 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. 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 (prototype BK1 made in the year 1995 didn't have this partition). In the middle part is room for a pram or wheelchair.

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.

Currently, number of Karosa B931 buses is decreasing, due to supply of new low-floor buses, for example by SOR NB 12 made in Czech Republic.

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• Unknown owner (bus ex. DP Plzeň no. 433)
• Technical museum in Brno (1 bus B931.1675 no. 7425, year 1998)

Wikimedia Commons has media related to Karosa B 931.

• List of buses