Karosa B 931

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 by bus manufacturer Karosa from the Czech Republic, in the years of 1996 to 2002. Modernised version B931E was introduced in 1999. It was succeeded by Karosa B 951 in 2002.

Construction features

Karosa B 931 is model of Karosa 900 series. B 931 is derived from Karosa B 731 city bus, and also unified with city bus models such as B 941 and B 932. Body is semi-self-supporting with frame and engine with automatic gearbox in the rear part. Only rear axle is propulsed. 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. Drivers cab is separated from the rest of the vehicle with glazed partition (protype BK1 made in the year 1995 didn't have partition). In the middle part is room for a pram or wheelchair.

Production and operation

One of the first ten buses B 931 made for Prague transport Company at the end of 1995
Drivers cab of prototype of Karosa B 931

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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Historical vehicles

See also

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