Construction features
Karosa B 731 is a model of the Karosa 700 series. The B 731 is derived from the Karosa C 734 intercity bus, and also unified with city bus models such as the B 741 and the B 732. 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, while the 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 leatherette seats, plastic Vogelsitze or Fainsa seats. The driver's cab is separated from the rest of the vehicle by a glazed partition (first series produced until 1984 didn't have partition). In the middle, or in the rear part is room for a pram or wheelchair.
Type B 731 (as well as whole 700 series) underwent during its long production many changes and modifications. Among the most significant belonged replacing of the noisy rear axles Rába with another that has not produced so much noise, change of the engine mounting and change the location of alternator, use of several types of engines LIAZ, initially aspirated, turbocharged later. In newer buses have also been used automatic gearbox Voith (apparently from 1991) instead of the product of Praga. Began to be mounted exhaust gas catalysators EKOS and between 1993 and 1994, the buses were equipped with intercooler and intake air (due to meet emission standards Euro1), which also led to modifications of the body – behind the third door was placed the intake grille. In the last buses from the year 1995 appeared motor Renault. These buses were numbered B 731.1659 and were produced in only 50 pieces. Due to the assortment offered gearbox with retarder to the engines LIAZ cars were B 731 since 1994 produced with extended rear (the very first bus with a very similar rear was already made in 1992, it was a prototype B17). These were types B 731.1667 and B 731.1669 with LIAZ engines and Voith gearbox with integrated retarder. The rear panel is identical to then produced 900 series.
Karosa B 741 is an articulated urban bus produced by bus manufacturer Karosa from the Czech Republic, in the years of 1991 to 1997. In many towns they replaced Ikarus 280 made in Hungary. In production was succeeded by Karosa B 941 in 1997.
Karosa B 941 is an articulated urban bus produced by bus manufacturer Karosa from the Czech Republic, in the years of 1997 to 2002. Modernised version, Karosa B941E, was introduced in the year 1999. In many towns they replaced Ikarus 280 made in Hungary. In production was succeeded by Karosa B 961 in 2002.
Karosa B 961 is an articulated urban bus produced by bus manufacturer Karosa from the Czech Republic, in the years of 2002 to 2006. Modernised version, Karosa B 961E, was introduced in the year 2003. In many towns, they replaced Karosa B 741. It was last high-floor bus built in Karosa, before it was renamed to Iveco Czech Republic.
Karosa B 732 is an urban bus produced by bus manufacturer Karosa from the Czech Republic, in the years 1983 to 1997. It was succeeded by Karosa B 932 in 1997.
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.
Karosa C 734 is an intercity bus produced by bus manufacturer Karosa from the Czech Republic, in the years 1981 to 1996. It was succeeded by Karosa C 934 in 1996.
Karosa C 744 is an articulated intercity bus produced in Czechoslovakia by the bus manufacturer Karosa from 1988 to 1992. It was succeeded by Karosa C 943 in 1997.
Karosa C 934 is an intercity bus produced by bus manufacturer Karosa from the Czech Republic, the years 1996 to 2002. In 1999 was introduced modernised version C934E. It was succeeded by Karosa C 954 in 2002.
Karosa LC 735 is a long-distance coach produced by bus manufacturer Karosa from the Czech Republic from 1983 to 1991. It was succeeded by Karosa LC 736 in 1991.
Karosa LC 736 is a long-distance coach produced by bus manufacturer Karosa from the Czech Republic, in the years 1984 to 1996. It was succeeded by Karosa LC 936 in 1996.
The Karosa ŠM 11 is an urban bus produced by Czechoslovakian bus manufacturer Karosa between 1965 and 1981. It was succeeded by the Karosa B 731 in 1981.
Karosa B 932 is an urban bus produced by bus manufacturer Karosa from the Czech Republic, in the years of 1996 to 2002. Modernised version B932E was introduced in 1999. It was succeeded by Karosa B 952 in 2002.
Škoda 706 RTO is an urban bus produced by bus manufacturer Karosa and Škoda in Czechoslovakia between 1958 and 1972. It was succeeded by Karosa ŠM 11 in 1964.
Karosa 700 series is a collective term for several modifications of buses made by Karosa company in Czechoslovakia, later Czech Republic in town Vysoké Mýto between 1981 and 1997.
Karosa ŠD 11 is a long-distance coach produced by bus manufacturer Karosa from Czechoslovakia, in the years of 1963 to 1981. It was succeeded by Karosa LC 735 in 1983.
SOR NB12 is a fully low-floor single-decker bus produced by the Czech bus manufacturer SOR from the Czech Republic since 2008. In many towns they currently replace Karosa B 731, Karosa B 732 and Karosa B 931.
Karosa C 935 is an intercity bus produced by bus manufacturer Karosa from the Czech Republic, in the years 1997 to 2001. In 1999 was introduced modernised version C935E. It was succeeded by Karosa C 956 in 2002.
Karosa LC 737 is a prototype of a long-distance coach produced by bus manufacturer Karosa from the Czech Republic, made in the year 1991. It was succeeded by Karosa LC 937 in 1996.
Karosa B 40 is a model bus trailer, which was produced in the 1950s and 1960s in Karosa Vysoké Mýto and then in Letňanské strojírny in Prague.
LIAZ 100 series is a collective term for several modifications of truck made by LIAZ company in Czechoslovakia, later Czech Republic in town Jablonec nad Nisou between 1974 and 1994.
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